OK, everybody! Raise a glass and extend a warm blogospheric welcome to Peter Bart, the notoriously blogophobic Variety editor in chief who finally succumbed to the medium yesterday at PeterBart.com. We're not sure why he decided to jump in on a summer Sunday of all days, but thankfully, as bloggers, we're free to pass judgment without even asking. We just think of his pleasant column from last September ("[T]he new lexicon of blogdom is all about traffic, not about ideas. ... Here are all these folks sitting at home on their computers, and what's the biggest thing on their mind? Traffic. By the way, I don't have a blog. Not that I know of, anyway") and then his comments last week to Portfolio's Jeff Bercovici: