Poll: Friday Face-Off: President Obama on Homeland or House of Cards?

In December 2013, President Obama released a list of his favorite TV shows, including: Breaking Bad, House of Cards, Boardwalk Empire, Game of Thrones and Homeland. Of the two modern-day, politically-based dramas on the list, would you rather see President Barack Obama guest star on Homeland or House of Cards? Discuss here: http://www.imdb.com/board/bd0000088/thread/225927181