Trump has already made statements about immigration they find troubling. They may or may not be taking Trump's presidential run seriously. They may or may not view him as an inconsequential blowhard, a shoot-from-the-hip cowboy who forgets today what he said yesterday—but today the New York Times has made reference to Trump in a way that will make these Globalist heavy hitters pause and blink while drinking their morning coffee (Here in "As Stock Market Plunges, Donald Trump Takes a Worldview" by Alan Rappeport): 

"Mr. Trump has said that bad trade deals with China and Mexico are to blame for a sluggish American economy and weak job creation. He has promised to make 'great' deals with other countries to protect American workers and has threatened to raise taxes on imports to the United States to bolster domestic production."