Democratic Presidential Candidates to Debate Tonight from 9-11 p.m. ET

NBC has decided to go with "The Bionic Woman," but MSNBC and its website are presenting the debate live, as is a New England cable network, and Telemundo is showing it at 11:35 p.m. ET. Think Iran, Iraq, Impeachment, or all three will come up? Place your bets now. Here's some background on the candidates' positions re attacking Iran.