Sen. Rand Paul, D-Ky. rides an escalator on Capitol Hill in Washington, Tuesday, Sept. 3, 2013, on his way to attend a joint Senate and House intelligence closed-door briefing on Syria. A vote for war... more 
Sen. Rand Paul, D-Ky. rides an escalator on Capitol Hill in Washington, Tuesday, Sept. 3, 2013, on his way to attend a joint Senate and House intelligence closed-door briefing on Syria. A vote for war can make or break a White House hopeful. The politically fraught decision weighs on potential 2016 Republican candidates Sens. Rand Paul and Marco Rubio. (AP Photo/Jacquelyn Martin) less 
1 / 30
Associated Press | Photo By Jacquelyn Martin
Tue, Sep 3, 2013 4:42 PM EDT