Earlier this afternoon, Gov. Jon Corzine's campaign (D-N.J.) took to Twitter to "live-tweet" a campaign event at which Vice President Joe Biden's spoke on the incumbent's behalf.
Corzine's campaign and his Republican opponent Chris Christie's campaign have been very active on Twitter throughout the competitive race.
http://twitpic.com/m4vhy - Crowd is fired up and ready to go!
AP: Christie's Ritz-Carlton stay in Orlando cost taxpayers $287, more than 2X govt allowance. Orlando has ~450 hotels http://bit.ly/tssRN
Later today, Biden is attending an event for Sen. Arlen Specter (D-Pa.) who is facing a 2010 primary challenge from Rep. Joe Sestak (D-Pa.)
Christie did not directly address the rally on his campaign's Twitter feed.