A surge in coronavirus cases in and around Tulsa, Oklahoma, is probably connected to the campaign rally President Donald Trump held there last month, the city’s top health official said Wednesday. Tulsa County reported 206 new confirmed cases Tuesday and 261 — a record high — Monday, and Dr. Bruce Dart, director of the Tulsa Health Department, said at a news conference that it was reasonable to link the spike to the rally and related events. “The past two days we’ve had almost 500 cases, and we know we had several large events a little over two weeks ago, which...