We interviewed Mike Davidson, CEO of Newsvine, at the EconSM conference at the Beverly Hilton today. We discussed everything from how anyone can make a cit-journalism hit on Newsvine (and take 90% of the revenues), to the details of the 13-month-old Web site's re-launch this week to Davidson's longing for the now-shuttered Mort's Deli in Pacific Palisades, where he grew up. This interview is not rudely cut-off, despite the distraction of the pool area below.......