New Jersey Gov. Chris Christie kept his fans guessing about whether he'll make a run for president during an appearance Tuesday night at the Ronald Reagan Presidential Library and Museum in Simi Valley, Calif. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

Republican presidential candidate Rep. Michele Bachmann arrives for a rally in Costa Mesa, Calif., on Friday. Chris Carlson/AP hide caption

itoggle caption Chris Carlson/AP

California Rep. Xavier Becerra was one of six Democrats chosen to join six Republicans on a panel tasked with finding a way to cut about $1 trillion from the federal deficit. Kris Connor/Getty Images hide caption

itoggle caption Kris Connor/Getty Images

Metropolitan State Hospital employees and supporters gather outside the gates of the hospital in Norwalk, Calif., earlier this month to protest repeated assaults at the hands of mental patients and what they call dangerous working conditions. Nick Ut/AP hide caption

itoggle caption Nick Ut/AP

Members of the Ford family pose on the White House grounds in this undated photo. From left, standing: Son Steve; daughter Susan; son Jack; son Michael's wife, Gayle; and Michael. Seated in front: President Gerald and first lady Betty Ford. AP hide caption

itoggle caption AP

In September 2008, then-Sen. Barack Obama disembarks from his campaign plane in Reno. Mayor Bob Cashell says presidential candidates should spend a little more face time in his town. Emmanuel Dunand/AFP/Getty Images hide caption

itoggle caption Emmanuel Dunand/AFP/Getty Images

Many bloggers and social media activists at the Netroots Nation Convention say they have become disenchanted with President Obama's administration. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP