By RON FOURNIER, AP Political Writer
Sen. John McCain (news, bio, voting record) threatened on Tuesday to cut short a speech to union leaders who booed his immigration views and later challenged his statements on organized labor and the Iraq war.
"If you like, I will leave," McCain told the AFL-CIO's Building and Construction Trades Department, pivoting briefly from the lectern. He returned to the microphone after the crowd quieted.
"OK, then please give me the courtesy I would give you."
It was a contentious session that tested McCain's commitment to the straight-talking image he honed during his failed 2000 presidential bid. An underdog six years ago, the Arizona Republican is expected to seek the 2008 GOP nomination as a front-runner.
"I loved it. I love mixing it up like that," McCain said after the speech to a Democratic-leaning crowd of several hundred.
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