Rep. Carol Shea-Porter rode a Democratic wave that propelled her to office four years ago. Now, says analyst Andrew Smith, "the Republican wave of anger against the Obama administration and general dissatisfaction with the state of the economy may be the wave that takes her out." Cheryl Senter/Pool, AP hide caption

itoggle caption Cheryl Senter/Pool, AP

The DREAM Act has been talked about for more than a decade. At this 2004 rally in Washington, D.C., supporters held a mock graduation ceremony. Alex Wong/Getty Images hide caption

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Senate Chaplain Barry Black (second from right) prays with his staff before delivering the prayer to open the legislative day of the U.S. Senate. Walter Ray Watson/NPR hide caption

itoggle caption Walter Ray Watson/NPR

Alain Filiz shows off some of his credit cards as he pays for items at Lorenzo's Italian Market in Miami in May. Joe Raedle/Getty Images hide caption

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Aaron Schock after winning the 18th Congressional District Republican primary race in Peoria, Ill., Feb. 5, 2008. Seth Perlman/AP hide caption

itoggle caption Seth Perlman/AP