Obama the nation's 'first gay president' ?

The evolution of the nation's 'first gay president' - CNN.com

STORY HIGHLIGHTS

• President Obama, "the first gay president," zig-zags on gay marriage over time
• In 1996, he endorses same-sex marriage in a survey
• But in 2011, a White House adviser says someone else filled out that survey
• Today, he is the first sitting president to endorse same-sex marriage

Surprise Surpise!