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MADISON, Wis. — Democratic U.S. Rep. Mark Pocan was one of the first members of Congress to mention the possibility of impeaching President Donald Trump more than a year ago.

But on Monday Pocan downplayed impeachment talk when asked about it at a news conference. He says "it's kind of a moot conversation in many ways" because "right now impeachment's impossible."

That's because Republicans control both the U.S. House and Senate where any articles of impeachment would have to be voted upon.

Most Democrats have steered clear of saying too much publicly about impeachment, wary of angering voters opposed to the idea ahead of the November midterm election. Polls have shown the public is divided on whether Trump should be impeached.

Pocan says the best thing is to let the Robert Mueller investigation into Trump "run its course."