407 Joshua Stein 09/28/07 02:30PM Filed to: Rewards Rewards Real Estate Heroes how prime is his mortgage? the one on HIS SOUL Jeff Zucker kitty carlisle zucker zimmer NBC chief Jeff Zucker just bought Kitty Carlisle Hart's five bedroom palace on 64th Street for $12.5 million. That works out to the same price as 75,000 seconds of primetime NBC ads. [NYM]