President Donald Trump urged Senate Majority Leader Mitch McConnell Thursday to “get back to work” on health care, a tax overhaul and infrastructure legislation. He also demurred when asked if Mr. McConnell should stay on as GOP leader.

The comments by Mr. Trump marked the second consecutive day of public antagonism from the president directed at the Republican leader in the Senate over a stalled agenda. No major legislation has passed after more than six months of unified GOP control of the government in Washington.

...