after all of that, norah, now we are watching the coldest air of the season elder in. record low temperatures expected for montana all the way to the gulf coast. >> norah: mike bettes, thank you. the president's on hunter biden was in a los angeles courtroom today pleading not guilty to nine federal tax charges. a plea deal to avoid possible prison time fell apart last summer which led to an indictment on allegations of avoiding to pay nearly $1.5 million in taxes. yesterday, biden ignited chaos on capitol hill when he made a surprise appearance at a hearing where lawmakers debated holding him in contempt for defying a subpoena. today marks the end of an era in the nfl. bill belichick is parting ways with the new england patriots, a team he coached for 24 years and led to six super bowl championships. belichick's 3:30 three career wins are just 14 short of the all-time record. cbs's james brown tonight on belichick's legacy and has possible future game plans. >> for me, this is a day of, you