ABC’s Jonathan Karl detailed a phone call from President Donald Trump on Sunday morning — just hours after the shocking White House Correspondents’ Dinner shooting — and said that the president, who’d once derided him as a “third-rate” journalist, had called to check if he was OK. Karl, a White House correspondent and former president of the White House Correspondent’s Association, described the conversation with the president on ABC’s This Week to host George Stephanopoulos. Saturday evening’s annual dinner at the Washington Hilton was disrupted by gunshots when officials say suspect Cole Allen charged through a security perimeter armed with multiple weapons . “My phone rang shortly after 7am, my landline, George, actually a number that few people call, and it was President Trump calling ... At first he was calling to see if I was OK, with what happened last night; ‘Are you OK?’” Karl recalled Trump asking.…