Campaigns Ready For Twitter Battle During Debate

Spin room now in real time

The first head-to-head match-up between President Obama and Mitt Romney on Wednesday is also the first presidential debate where both campaigns will be engaged in a virtual showdown on Twitter.

The Twitter debate is crucial not only because it will signal the most memorable moments of the live event, but because the social network is expected to hold the key to which candidate the public believes came out the winner.