Jon Stewart jogging across the street with his son ... Sienna Miller arriving at JFK ... Kiefer Sutherland walking in the West Village with his girlfriend ... Taylor Momsen going to church with her mother and sister ... Katie Lee Joel taking her dog for a walk in the Village ... Michelle Williams pushing daughter Matilda in a stroller ... Sarah Jessica Parker walking in the rain in the West Village with son James ... Hilary Duff and Mariska Hargitay hanging out on the set of Law & Order: SVU ... Sheryl Crow carrying her son Wyatt in a car seat ... and Sean Penn walking around on the set of his new movie Fair Game in Brooklyn.

Andrew Luan worked at Deutsche Bank until recently. When he didn't get paid a bonus, he quit his job, but he didn't plan on spending the next six months in the company of his Wii, waiting around for the job market to improve. Luan launched a "financial meltdown tour" this week, "guiding packs of mostly European tourists around the epicenter of the collapse—and explaining his own role in the crisis along the way." (He was a CDO trader at Deutsche Bank where he says he shorted collateralized mortgage-backed securities.) Sounds like time and money well spent: "For only $40, he'll show you the word integrity engraved on the front of the New York Stock Exchange—and tell you about his all-male bond-trading desk's workplace push-up contests." [The Big Money]

Art just isn't what it used to be. According to the Mei Moses index released today, art prices fell 35 percent during the first quarter of 2009, which means Steve Cohen's ten-figure collection is now worth a much more modest $650 million. [FT]

Are you by any chance feeling overwhelmed, anxious about various annoying tasks, perhaps sorely tempted to go and strangle the guy two desks over who's talking too loudly on the phone? You're not alone: A survey has identified 11:45 on a Tuesday morning as the most stressful time of the working week, when we pay for slacking off on Monday, realize we're going to have to work through lunch, and are consumed with dread for the rest of the week. So just take some deep breaths and go eat a candy bar/smoke a cigarette/swallow a Xanax.

• It took a year and a half and three price cuts, but the triplex penthouse at 895 Park that belonged to the late fashion mogul and film producer Charles Evans has gone into contract. The four-bedroom spread, which first went up for sale for $29.5 million in October 2007, had most recently been listed at $15.5 million. [Cityfile, Stribling]
• Mortgage exec Steve Schnall and wife Sherri have dropped the price of their 11,300-square-foot townhouse at 2 North Moore Street, which set a record for Tribeca when it was put up for sale for $35 million a year ago. It's now available for the slightly reduced price of $33 million. [Cityfile, Corcoran]
• Donald Trump's son Eric paid $540,000 for the 14th-floor apartment next door to the one he already owns at 100 Central Park South. [Real Deal]
• Diane Keaton has cut $1 million off the price of her Beverly Hills home, which she originally put on the market in March for $12.995 million. [Luxist, WEA]

Farewell, last season's Suri Cruise fashions. Goodbye, Amy Winehouse's bathing suit. Adieu, humanoid version of Lauren Conrad. And so long, LiLo and SamRon's fairytale romance.

Former Giants star turned Today show commentator Tiki Barber and his twin brother Ronde turn 34 today. Russell Crowe is 45. Nightlife impresario Jason Strauss is turning 35. Francis Ford Coppola is 70. John Oates of Hall & Oates is 60. Michael Dorf, the founder of the Knitting Factory and City Winery, is 47. Islanders head coach Ted Nolan is 51. Renowned French chef Joel Robuchon is 64. British journalist Sir David Frost is turning 70. Bill Bellamy is turning 44. And Jackie Chan celebrates his 55th birthday today.

• Is it finally over between Lindsay Lohan and Sam Ronson? Her mom and sister certainly hope so: The two were spotted with Sam at a police station yesterday to "look into filing a restraining order" against Lindsay, although LiLo appears to still be in denial, telling E! that they're just taking a "brief break." [Us, E!]
• Madonna was crushed to learn her adoption petition had been rejected by a judge in Malawi—"I can't believe I'm leaving my beautiful baby behind"—but baby Mercy's uncle is now supporting her appeal, for whatever that's worth. [MSNBC, Sun]
• CNN's Campbell Brown had a baby boy yesterday. [HuffPo]
• Who does Scarlett Johansson have to thank for her new bod? Gwyneth Paltrow, apparently, since she reportedly introduced Scarlett to her trainer Tracy Anderson who put her on a "rigid diet." [Sun]

So who put Scarlett Johansson on that strict diet that reduced the starlet to a shadow of her former self? Gwyneth Paltrow, the noted medical expert who last year hallucinated from undereating.

• A half-dozen bidders have emerged for AIG's asset management unit, although efforts to sell it have been "complicated," not surprisingly. [WSJ]
• Congressman Dennis Kucinich has asked the SEC to determine if Bank of America violated the law by not disclosing Merrill Lynch's bonus plan. [DB]
• GM is speeding up preparations for a possible bankruptcy filing. [BN]
• Quadrangle Group has halted fundraising for its next fund. [Crains]
• The Tokyo office of Merrill Lynch Global Private Equity has been closed. [DB]
• RBS may eliminate an additional 9,000 jobs. [BN]
• It's never been a better time for a hostile takeover. [NYP]
• What's Hank Paulson doing with his money these days? He's backing his son's effort to bring Major League Soccer to Portland, Oregon, that's what. [BN]

A more cocksure man might have played along, but Graydon Carter's tenure atop Vanity Fair has apparently taught him the danger of hype and high expectations, so he's denied a flattering sex story.

Ruth Madoff took a little break from her busy shopping routine to visit her husband yesterday for the first time since he was locked up three weeks ago. But what's with the $5 cheapo umbrella she was carrying? Looks like she forgot a thing or two when she stopped at Neiman Marcus last week. [NYDN]

It turns out the Out magazine's item on Matt Drudge, which got the internet publisher so riled up last week, was sourced to a onetime gay stripper's memoir. The ex-stripper has more stories.

After Chis Brown pled not guilty to assaulting Rihanna in a Los Angeles courtroom Monday, Rihanna's attorney said something peculiar: The apparent victim of Brown's attack would like to bring the case to a rapid conclusion.

After reading OpenTable's definition of "Client Relations" in a web job posting, one wonders what, exactly, the internet reservations service is willing to do to get a lock on tables at top restaurants.

The Feds have accused Robert Allen Stanford of being a mini Madoff, running a multi-billion-dollar Ponzi scheme involving fraudulent certificates of deposit. Watching Stanford on ABC News tonight, it's easy to believe that's true.

According to the AP, Cisco executives like Joe Burton are brave technology warriors, building the networking giant's post-recession future. According to a guy who runs a Bay Area bike shop, though, Burton's a jackass.

There was so much to enjoy about Levi Johnston's appearance on the Tyra Banks Show, starting with the way he got caught damn near lying about always using protection with Bristol Palin.

• Is Anne Hathaway going to replace Victoria Beckham as Marc Jacobs' latest muse? That's the rumor, at least. [Daily Mail]
• One more rumor: It's said Olivier Theyskens may be taking over at Halston. [Hint]
• It's not all bad news on Madison Avenue: Jil Sander and Nanette Lepore both have stores opening in the next few months. [FWD]
• Lindsay Lohan's latest brand extension? A line of panty hose, naturally. [WWD]
• Barneys is getting a small (but much-needed) infusion of cash. [NYP]
• Filene's Basement is not bankrupt. Not yet, at least. [NYP]
• Jessica Joffe goes topless for Katy Rodriguez. [Pipeline]
• The Cut has the list of every piece of clothing Michelle Obama wore on her trip overseas. And it includes the Alaïa cardigan that she wore twice. [NYM]

Someone didn't get the memo about Barack Obama being a Muslim. A Syrian man was arrested today in Turkey in connection with a plot to kill Obama during his visit to the country.