boy, what a night at the grammys. let's take a look at the lionel richie medley, joined on stage by john legend, demi lovato, luke bryan. >> demi lovato was so good doing "hello." >> and the david bowie medley. >> everybody wanted to hear adele perform. easily one of the most anticipated moments of the night. however beset by technical difficulties. what she's saying about them this morning. >>> first, to the major winter storm spawning tornadoes that tore through the south. 15 states on alert this morning, from north carolina all the way up to maine. that storm also dropping a dangerous mix of snow, ice, and rain across 1200 miles. it's blamed for thousands of accidents. mary bruce has the latest. >> reporter: overnight, slick, sleety roads leading to wreck after wreck. >> there's a lot of icy spots. >> reporter: early this morning, this massive pileup in pennsylvania, just north of scranton on i-81, semi trucks hitting each other. crushing cars in their path. rescue crews are on the scene. there are reports of multi