In an interview on ABC’s “This Week,” Mr. Trump took issue with Khizr Khan, who had questioned whether Mr. Trump had read the U.S. Constitution and said... Donald Trump engaged in a back-and-forth Sunday with the parents of a dead American soldier, extending an argument between the Republican presidential candidate and Muslim immigrants who were largely unknown until they appeared at the Democratic National Convention three days ago.

Source: Wall Street Journal July 31, 2016 17:26 UTC