News Wrap: Trump campaign claims it was hacked by ‘foreign sources hostile to the U.S.’ PBS NewsHourWe received internal Trump documents from ‘Robert.’ Then the campaign confirmed it was hacked. POLITICOExperts warn of election disruptions after Trump says campaign was hacked The Washington PostThe Hacking of Presidential Campaigns Begins, With the Usual Fog of Motives The New York TimesTrump campaign says it has been hacked CNN