The Observer, keeping with their trend-watching, is reporting that 20-somethings are moving back in with their parents after college...that is, if the parents own prime New York real estate (aka: Brownstone Boomers). Didn't we all see this coming with The Royal Tenenbaums? One Carroll Gardens family, the Eisenbergs, have seen their three daughters return for varying amounts of time -- they are, of course, just one small section of a new generation of kids returning......