Last week, President Obama visited the set of Jon Stewart's "The Daily Show" for the third, and presumably final, time. Obama has set records for the most late-night talk show appearances. He's also appeared alongside YouTube star GloZell Green, in the online series "Between Two Ferns," and Miami radio host DJ Laz, aka "The Pimp with the Limp." Obama has treated the White House like his own personal concert venue, complete with selfie-stick video. After all, as they say, you only live once. Meanwhile, the same week as Obama's final French-kissing session with palace guard Stewart, Obama vowed to push...