Republicans take Senate majority

Eye unified power with Trump

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A unified Republican grip on Washington would set the course for Trump's agenda. Or if Democrats wrest control of the House, it would provide an almost certain backstop, with veto power over the White House.

Trump, speaking early Wednesday at his election night party in Florida, said the results delivered an "unprecedented and powerful mandate" for Republicans.

He called the Senate rout "incredible." And he praised House Speaker Mike Johnson, who dashed from his own party in Louisiana to join Trump. "He's doing a terrific job," Trump said.

Vote counting in some races could go on for days, and control of the House is too early to call.