Paul Krugman, Robert Reich, and other top economic thinkers disagree on whether the US should be ramping up skilled immigration.

Less than a month before Donald Trump returns to office, two of his most ardent allies have plunged into a fierce online debate over immigration, specifically the government’s visa program that allows American companies to hire so-called “highly skilled” foreign workers.

I mean, it was embarrassing,” Steve Bannon said on Monday, referencing Elon Musk’s tweets over the weekend when he said the H-1B visa program needed to be “reformed.”