Collins, King join Senate challenge to Trump on immigration February 15, 2018Daily Brief, Donald Trump, Governor LePage, Legislature, U.S. CongressAngus King, Charles Grassley, donald trump, Garrett Mason, Joyce Maker, Mike Rounds, Nate Libby, Paul LePage, Sarah Bigney, Susan Collins By Michael Shepherd But the Republican president has all but issued a veto threat on the proposal, which is narrower than the one many conservatives want.