PBS NewsHour | Clip | News Wrap: Fourth student dies from Michigan school shooting

In our news wrap Wednesday, a fourth student died of wounds from Tuesday's school shooting in Michigan. The suspect — 15-year-old Ethan Crumbley — was charged with murder and terrorism. Published reports said former President Trump tested positive for COVID three days before his first debate with Democratic rival Joe Biden. Russia ordered a number of U.S. diplomats to leave the country by Jan. 31.