U.S. hotspots grow as virus cases surpass 640,000 globally

As the United States led the world with confirmed coronavirus cases, cities such as Detroit, Chicago and New Orleans grew as hotspots Saturday, while the virus continued to pummel New York City and made its way into rural America.Worldwide infections surpassed 640,000 with nearly 30,000 deaths as new cases also stacked up quickly in Europe, according to a tally by John Hopkins University.The U.S. leads the world in reported cases with more than 112,000, but five countries exceed its roughly 1,70