Who's running and who could run in 2016?

Published On: Nov 08 2012 10:41:49 AM CST   Updated On: May 05 2015 11:01:28 AM CDT

Mike Huckabee announced his candidacy for the 2016 presidential election on Tuesday. Check out other formally announced or potential 2016 candidates.

2 / 20

Retired physician Ben Carson announced his candidacy for president of the United States on May 4.

Upload Photos / Videos