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.

Biden's current role gives him visibility
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Joe Biden (Democrat) -- The vice presidency gives Biden an unrivaled platform to position himself for 2016, but his age (he would be 74 in 2016) and his penchant for the occasional indelicate remark may be big liabilities.

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