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Ahead on the 2/29 Maddow show

Happy Leap Day! Tonight's guests include:Rep. Chellie Pingree, (D) MaineSen.

Happy Leap Day! Tonight's guests include:

Rep. Chellie Pingree, (D) Maine

Sen. Jeanne Shaheen, (D) New Hampshire

Steve Kornacki, political news editor for Salon

While watching tonight's video preview, take a listen to tonight's soundtrack.

Executive producer Bill Wolff shares a preview of tonight's show: