Fresh from a month of acrimonious town halls, House Republicans arrived for President Obama’s address to a joint session of Congress on Wednesday night with signs, props, and a lot of attitude.

But at least one congressman went way too far. Rep. Joe Wilson shouted “You lie!” after Obama denied that his health care proposal would cover illegal immigrants.

All eyes turned in the South Carolina Republican’s direction — including Obama’s, House Speaker Nancy Pelosi’s and Vice President Joe Biden’s.

Wilson, looking agitated, leaned forward and began tapping away at his BlackBerry, as if he were Googling up proof that the president had, in fact, lied.

“Shame on you!” shouted someone from the Democratic side. “Throw him out!” shouted someone else. First Lady Michelle Obama, seated behind and above Wilson, seemed to mouth a drawn-out “damn” at the scene unfolding before her.

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