President Obama himself agrees that House of Cards is awesome ( https://twitter.com/BarackObama/status/434108103789793281 )
Show creator Beau Willimon has publicly stated that he'd be open to the next real-world cameo on the show being Barack Obama himself ( https://twitter.com/BeauWillimon/status/439887609310232576 )
Make that happen! He could show up on the show as a president emeritus of some sort.