breaking news stories tonight, with a major shake-up in the race for the 2024 republican nomination. former new jersey governor chris christie just suspending his presidential campaign, just five days before the iowa caucuses. our new reporting tonight on who he might endorse and if it will change the republican battle. plus, those major winter storms slammed the northeast with flooding in new hampshire, connecticut, and new jersey, and authorities in florida are now assessing those tornado damages. but first, there is more breaking news tonight, with a major avalanche closing down a popular lake tahoe ski resort in california. search teams and emergency crews just finished scouring the slopes in search of any missing skiers or snowboarders. we know that at least one person has died and at least three people are hurt. we are tracking storms, too, from coast to coast, with another round of severe weather ahead, so tonight we have team coverage, and cbs s andrew haubner will st