Pat Buchanan took no prisoners. The now-retired columnist and former presidential candidate, who is still among us, had an aim to defend America's superiority. And if his political nemeses got their feelings hurt during his riddling, tough. Sound familiar? Sure. Patrick J. Buchanan was Donald Trump before the president’s rocket ride to the White House. America First. Keep countries from screwing us on trade. Speak English. Build the wall. Stop the invading hordes from defacing our country’s mighty culture. Those were Buchanan staples before he quit writing and commenting on TV a couple of years ago. Now if he’s up...