The crackdown measures on illegal immigration Attorney General Jeff Sessions unveiled in Noagles, Arizona Tuesday continue to draw intense reactions spanning from abject horror to welcome relief. Professor and Washington Post contributor Daniel W. Drezner began the day by issuing a sincere apology for touching off a viral fake news scandal. Immediately after Tuesday’s announcement, Drezner tweeted that the Attorney General had described all “illegal immigrants” as “filth.” The tweet was quickly retweeted thousands of times and contributed to an outpouring of misdirected outrage at Mr. Sessions over his use of the word. In fact, as Drezner’s apology on the...