Video above: President Trump urges colleges to keep in-person learningStates across the U.S. are now seeing a decline in coronavirus cases, a U.S. top official said this week, though he warned things could quickly change again if Americans aren’t careful.U.S. trends are now “going in the right direction,” said Adm. Brett Giroir, the Trump administration official overseeing U.S. coronavirus testing, attributing the decline in part