Who's running and who could run in 2016?

Published On: Nov 08 2012 10:41:49 AM CST   Updated On: May 27 2015 10:34:44 AM CDT

Rick Santorum announced his candidacy for the 2016 presidential election on Wednesday. Check out other formally announced or potential 2016 candidates.

Marco Rubio
7 / 21
T.J. Kirkpatrick/Getty Images

Marco Rubio (Republican) -- The Florida senator says he is running for president and is "uniquely qualified" to talk about the future, according to CNN.

Upload Photos / Videos