Snow, sleet and freezing rain are set to fall across parts of southern Texas, southern Georgia and northern Florida as the storm heads east Tuesday.

Millions of Americans across the South are bracing for a rare and potentially dangerous winter storm threatening to bring snow, sleet, ice and rain from Texas to the Carolinas. CBS News reporter Kati Weis has more from New Orleans and CBS News meteorologist Grant Gilmore has a look at the forecast.

"The door remains open to the Paris Agreement, and we welcome constructive engagement from any and all countries." Donald Trump targeted opponents and touted a huge AI project Tuesday in a shock-and-awe start to his second presidency -- but faced defiance including a rare public dressing down from a bishop.