The U.S. death toll from the coronavirus pandemic climbed past 3,000 on Monday, the deadliest day yet in the country’s mounting crisis, while New York cheered the arrival of a gleaming 1,000-bed U.S. Navy hospital ship as a sign of hope in the city’s desperate fight. The United States has the most confirmed cases in the world, a number that is likely to soar when tests for the virus become more widespread.