Iran: War or Diplomacy, and Super Tuesday

Romney, Santorum, Gingrich and Paul will be on primary ballots and caucus lists in ten states tomorrow. We get a preview of Super Tuesday. Is Romney already inevitable, whatever the results might be? Also, Israeli Prime Minister Netanhayu is at the White House. On the agenda is Iran's nuclear ambitions.

Banner image: An election day volunteer places signs to direct voters to a polling station. Photo by Jonathan Gibby/Getty Images