WASHINGTON (AP) — Donald Trump will start implementing a far-reaching agenda when he takes office for the second time on Monday, but a poll finds that despite his claims of an “unprecedented and powerful mandate,” the incoming Republican president lacks broad support for some of his top priorities. Just over half of U.S. adults favor eliminating taxes on earnings from tips, according to the survey from The Associated Press-NORC Center for Public Affairs Research, but some of his other pledges — like pulling out of the Paris climate agreement, increasing oil drilling on federal lands and imposing new tariffs —...