The helicopter crashed in January last year amid heavy fog. Source

Guidelines are expected to say that teacher vaccination isn’t a precondition for reopening schools. Source

The helicopter pilot flying Kobe Bryant, his daughter and several others experienced “spatial disorientation” before the aircraft crashed into a hill and killed everyone onboard, federal investigators determined. Errol Barnett has the latest. Source

House Democrats shared a powerful and expletive-laced video of the Capitol insurrection to kick off former President Trump’s impeachment trial. Mr. Trump’s attorneys questioned the constitutionality of the case. Kris Van Cleave has the latest. Source

The second impeachment trial for former President Trump got underway on Tuesday with arguments over whether or not it is a violation of the constitution to try Mr. Trump now that he is a private citizen. The Senate later voted 56-44 to proceed with the trial. CBSN political reporter Caitlin Huey-Burns and CBS News Capitol Hill producer Rebecca Kaplan join CBSN to discuss the arguments both sides presented and what we can expect from the rest of the trial. Source

A suspect is in custody after a shooting at a health care clinic in Buffalo, Minnesota, left at least five people wounded. Jeff Pegues has more. Source

The former president has been impeached on a charge of inciting the insurrection at the Capitol on January 6. Source

Temperatures are plunging across northern and central states as more snow is on the way. CBS New York chief weathercaster Lonnie Quinn has the latest on the freezing forecast. Source

Nancy Cordes discusses the first day of former President Trump’s impeachment trial. Source

Video shot by Trump supporters storming the Capitol last month left a trail of evidence, which is being used in the case against President Trump in his Senate impeachment trial. Loyola Law School professor Jessica Levinson spoke to CBSN’s “Red & Blue” host Elaine Quijano about the legal arguments both sides presented on the first day. Source