Sabotage Hits French Rail Lines Hours Before Olympics Opening Ceremony
Plus: Former President Barack Obama endorses Kamala Harris\u2019s bid for the White House. And, U.S. agents arrest a kingpin of the Mexican Sinaloa drug cartel. Luke Vargas hosts.\n\n\n\nSign up for WSJ\u2019s free What\u2019s News newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices