Jose Antonio Vargas starts tracking the candidates' online numbers; Larry Craig's endorsement video disappeared from Mitt Romney's YouTube page, but has sprung up elsewhere; Wonkosphere tracks the online buzz surrounding the candidates; and a look at some of the videos submitted for the Republican CNN/YouTube debate.

Here's my semi-verbatim but not for direct quotation transcript of this morning's fascinating panel on how the web is changing political journalism. The players: Moderator: Jeff Jarvis of Buzzmachine, Speakers: David Plotz, Slate; Jim Brady, WashingtonPost.com and Jay Rosen, NewAssignment.net.

Jeff Jarvis is tracking the use of video in the 2008 presidential campaign on his new site PrezVid.