lisa: team carley. carley: i want to get to sad news here very important story a police detective killed line of duty by alleged drunk driver on christmas eve. police say a semi-truck hit deidre's cruiser during a traffic stop in kentucky. the car burst into flames. >> friends and colleagues, she gave her life serving the community. which is something she loved to do. carley: so tragic. robert burdett is charged with murder and drunk driving. the detective leaves behind a young son. progressive democrats may be losing their feel for the berne. former vice president joe biden out performing bernie sanders in a poll tracking a hypothetical think 2020 matchup against president trump. 83% of democrats say they prefer biden in that race. 75% say they prefer bernie sanders.