“I wish he wouldn’t have done it,” said Sen. Chuck Grassley (R-Iowa), who McConnell interrupted on the Senate floor to make his announcement. “If [Trump] figures that Congress didn’t do enough and he’s got to do it, then I imagine we’ll find out whether he’s got the authority to do it by the courts.”

“In general, I’m not for running the government by emergency, nor spending money. The Constitution’s pretty clear: spending originates and is directed by Congress,” said Sen. Rand Paul (R-Ky.), who like almost everyone else on Capitol Hill wants more information. “So I’m not really for it.”…

Sen. Marco Rubio (R-Fla.) said it was a “bad idea” but needed to learn more. Sen. Lamar Alexander (R-Tenn.) said it was “unnecessary” because Trump has other ways of getting money but said he needed further guidance. And Sen. Ron Johnson (R-Wis.) fretted that it was a “dramatic expansion” of the emergency powers.