Who's running and who could run 2016?

Published On: Nov 08 2012 10:41:49 AM CST   Updated On: May 04 2015 10:52:12 AM CDT

Ben Carson announced on May 4 he will seek the Republican nomination for president. Check out other formally announced or potential 2016 candidates.

Vermont Sen. Bernie Sanders
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Sen. Bernie Sanders (I-Vermont) kicked off his dark horse campaign for the Democratic nomination on April 30 with an email to supporters and a press conference outside the U.S. Capitol.

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