Who's running and who could run in 2016?

Published On: Nov 08 2012 10:41:49 AM CST   Updated On: May 06 2015 05:34:15 PM CDT

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

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Steve Machalek/CNN

On March 20, Donald Trump announced that he formed an exploratory committee to examine a possible run for president in 2016.

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