5 things to watch in tonight's debate

Editor's note: Watch Anderson Cooper, Wolf Blitzer and Fareed Zakaria's special coverage of the presidential debate at 7 p.m. ET on CNN.

President Barack Obama and Republican challenger Mitt Romney meet Monday night in the last of their three debates, this one focused on foreign policy.

Unlike last week's contentious town hall-style debate in which the candidates ambled around the stage and parried with each other, Obama and Romney will be seated at a table with moderator Bob Schieffer, who told the Fort Worth Star-Telegram what he hopes comes out of the debate:

"People are watching to judge character. I don't think it matters what the questions are about - what matters is how candidates answer. Do they seem in control? ... I'm just there to help the viewers get a better understanding of who these people are."

Here are five things to watch tonight:

1. How much does Romney know about Libya?

Romney will undoubtedly raise a lot questions about Obama's handling of the terror attack in Libya, but there's a good chance he already has some answers.

Don't forget: Romney has been receiving briefings from the U.S. intelligence community since September 17, as is customary for a presidential challenger in the final stages of a campaign.

His first briefing came a week after the breach of the Benghazi mission left four Americans dead. His second briefing took place at the CIA, on September 27.

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