Fresh off his public spat with Senate colleague and possible 2016 GOP primary rival Marco Rubio, Sen. Rand Paul (R-Ky.) got into the holiday spirit today on Twitter. 

No, not Christmas or Hanukkah ... Festivus! 

As he did last year, the senator put out his list of grievances, based on the classic 1997 episode of "Seinfeld."

Rand Paul Fires Back at 'Isolationist' Rubio Over Cuba Criticism