WASHINGTON (AP) — President Donald Trump, emboldened by Republican election wins in the Senate and scornful of GOP candidates he felt didn't sufficiently embrace his support, delivered a stark warning to the new Democratic House majority on Wednesday: Investigate me, and I'll investigate you — and the government will grind to a halt. Noting that his Republican Party retained control of the Senate on Tuesday, he said that if Democrats in the House come after him, "we've got" a thing called the U.S.