George Romney with his wife, Lenore, and teenage son Mitt, after announcing he would seek the Republican nomination for governor of Michigan at a press conference in 1962. AP hide caption

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Republican Sen. Rand Paul of Kentucky sharply criticized the Obama administration's decision to intervene in Libya. Brendan Hoffman/Getty Images hide caption

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In a photo released by NBC News, Secretary of State Hillary Clinton and Secretary of Defense Robert Gates discuss Middle East policy on Meet the Press. William B. Plowman/AP hide caption

itoggle caption William B. Plowman/AP

Karen Wallace (right) and Meryleigh Brainerd (left), both teachers in California, join in a candlelight vigil in front of the state Capitol to express solidarity with union members in Wisconsin. Decades ago, says a labor historian, the typical unionized worker was a blue-collar male. Now, it's more likely to be a schoolteacher. Robert Durell/AP hide caption

itoggle caption Robert Durell/AP