Mitt Romney desperately needs acting lessons — hey, not everyone is a natural star when they hit that podium. Even the most trained politicians need a few tweaks to their monologues on the stump or their improv skills when fielding off-the-cuff questions from reporters.

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In a Last Word exclusive, Inside the Actors Studio host James Lipton critiqued the performances of politicians. He weighed in on the more theatrical moments with Barack Obama, Bill Clinton, George W. Bush and Joe Biden.

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President Obama chatting with the ladies from The View
"I think he handled it fine.  But I recall another occasion. One year ago, in the white heat of the White House correspondents dinner, President Obama killed the crowd in a language both you and I understand, while he was simultaneously killing Osama bin Laden.  That is sang froid, or as we say in English, cool."

Bill Clinton's famous "boxers or briefs" answer
"I think he answered it frankly, but I think it was significant...it turned out to be a harbinger of what was to come, no pun intended."

George W. Bush saying he didn't know location of Osama bin Laden at press conference
"Now, that is not acting. That is absolutely real. It is a soul revealed.  And it makes me want to weep."

Joe Biden's recent confession on marriage equality
"I think in this case, he was comfortable, which means he wasn't acting. He was speaking from the heart. But my favorite way of expressing this came from a I think comedian at some point. I don't remember who.  And what he said was — I thought summed it up perfectly. Look, if you're opposed to same-sex marriage, don't marry someone of the same sex."