Tracking another cross country storm. Trump back in court following Iowa victory. Republican debate canceled ahead of New Hampshire primary. Frigid temps and travelchaos felt across U.S. Audio obtained from Defense Secretary Lloyd Austin's 911 call. Gilgo Beach suspect charged with fourth murder. U.S. continues strikes againstHouthis in Yemen. Brothers elected mayors of neighboring New Jersey towns.

Snow, ice still battering Pacific Northwest, Northeast. Haley sharpens attacks on Trump ahead of New Hampshire primary. Hunter Biden to testify in House impeachmentprobe, GOP leaders say. U.S. shrimpers struggle to compete as cheap foreign imports flood domestic market. SpaceX launches Axiom crew bound for InternationalSpace Station. U.S. boy airlifted home after Bahamas shark attack. An exclusive look at the world's largest cruise ship.