A Donald Trump win, which Mr. Sanders is now dangerously helping, would end his political revolution for good and for certain. Americans must learn from “Brexit.” But Mr. Sanders has not. PhotoTo the Editor:Re “Democrats Have to Wake Up” (Op-Ed, June 29):Bernie Sanders argues correctly that anti-globalization in the United States could help elect Donald Trump. This is the political revolution we need — bottom up, not top down. In continuing to aggressively push his protectionist agenda, Mr. Sanders betrays not only his aversion to basic economics but also his inability to accept the results of the Democratic primaries.

Source: New York Times June 29, 2016 18:11 UTC