Back on the road in Iowa on Wednesday night, President Donald Trump at a campaign-style rally signaled he is unconcerned with garnering Democratic support on legislation and warned foes they are “lucky” his supporters are not the protesting kind.

The president returned to the combative and provocative style he used during the 2016 GOP primary and general election campaigns, blasting his critics and making statements like this one, to loud applause, of the Paris Climate Agreement: “Like hell its non-binding.”

In the wake of last week’s shooting at congressional Republicans’ morning baseball practice in Alexandria, Va., Trump has called for unity. But on Wednesday night, the president seemed unconcerned with bringing Republicans and Democrats together to pass legislation.

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As he has done frequently in recent days, he labeled congressional Democrats “obstructionists,” and said if a health overhaul bill hit the Senate floor today, “we wouldn’t get one Democrat.”