Triple-threat storm bears down on central and southern US, disrupting Mardi Gras celebrations

WASHINGTON — More than 55 million people across the central and southern US are at risk of severe weather on Tuesday as a violent storm sweeps across the country, bringing the potential for blizzardWASHINGTON — More than 55 million people across the central and southern US are at risk of severe weather on Tuesday as a violent storm sweeps across the country, bringing the potential for blizzard