about donald trump s decisive victory in iowa. cbs evening news begins right now. good evening, i am norah o donnell, and thank you for being with us on this tuesday night. tonight donald trump brushed off his record-setting win in iowa caucuses is now in new hampshire after a trip to the new york city courthouse, these are live pictures of his rally where he will address voters in the granite state. in new hampshire tonight speaking with voters i had the next contest for the republican nomination. in cbs s robert costa is here to discuss the road ahead for the candidates. and tonight hearing for the first time the 911 calls that led to a two week hospital stay for the secretary of defense lloyd austin. here is his aide asking for secrecy. we begin with the weather most of us are experiencing, more than 70% of the country is experiencing a deep freeze. 17 people have died and there s another storm coming. we have that forecast in a moment. major cities like new york and