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Wisconsin Gov. Scott Walker confirmed his candidacy for president with a tweet "I'm in," on July 13. After two poor debate performances, Walker announced on Sept. 21 that he will "suspend his campaign immediately." See who else is currently running for president and who had already dropped out.
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Former Texas Governor Rick Perry announced in a campaign video on June 4 that he was running for president. But Perry's second bid for the White House was a quick one. On Sept. 11, just after 100 days, Perry said he was suspending his campaign. "Life is good. I am a blessed man," Perry told supporters in St. Louis.