Lingering issues for Calif with both incoming storms and worsening levee and aqueduct problems. DATELINE NBC's Josh Mankiewicz joins Courtney for MARK'S MURDER MYSTERY MONDAY and it's a California case. Mark's close friend is one of Taylor Swift's major fans... He's also an award winning broadcaster, Bean Baxter. MARK'S MADNESS: Mark's bracket has blown up and he's not happy...We'll check in on everyone's bracket and update the standings.