Sen. Rand Paul (R-Ky.) greets supporters during a tea party rally in front of the U.S. Capitol in June. Paul was a rising star in the tea party movement this year, filibustering a CIA nomination in March. Mark Wilson/Getty Images hide caption

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She's saying goodbye, for now at least: Rep. Michele Bachmann, R-Minn., has announced she won't seek re-election in 2014. (File photo from Jan. 4, 2012, when she left the Republican presidential race.) Jim Young /Reuters /Landov hide caption

itoggle caption Jim Young /Reuters /Landov

The John Weld Peck Federal Building in Cincinnati, where many of the missteps by IRS workers who targeted conservative groups occurred. Al Behrman/AP hide caption

itoggle caption Al Behrman/AP

An Internal Revenue Service official apologized for workers who targeted certain conservative groups. But that did little to defuse the situation. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Tea Party supporter William Temple of Brunswick, Ga., protested outside the Supreme Court in June as justices debated the constitutionality of President Obama's health care law. David Goldman/AP hide caption

itoggle caption David Goldman/AP

Gov. Rick Perry rules the roost at the Texas Republican Convention in Fort Worth on June 7. But his endorsement of Lt. Gov. David Dewhurst fell flat this week as Tea Party fave Ted Cruz crushed Dewhurst in a GOP runoff for U.S. Senate. LM Otero/AP hide caption

itoggle caption LM Otero/AP