The Senate has passed a sweeping immigration bill, widely seen as the product of the "Gang of 8," a group that includes Sens. John McCain, R-Ariz. (left), and Sen. Chuck Schumer, D-N.Y. The two shook hands before Thursday's final vote. J. Scott Applewhite/AP hide caption

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Construction is underway on the Itaquerao stadium in Sao Paulo, shown here June 12. The stadium will be the venue for the opening ceremony and game of the 2014 FIFA World Cup in Brazil, and many migrants are among the laborers working on the project. Sebastiao Moreira/EPA/Landov hide caption

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"Immigrants are more fertile, and they love families," former Florida Gov. Jeb Bush said Friday at the Faith and Freedom Coalition conference. Bush's statement, in support of immigration reform, struck an odd note with many who hear it. Mark Wilson/Getty Images hide caption

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A U.S. Customs and Border Protection officer from the Office of Field Operations watches in February as people cross from Mexico into the United States at Nogales, Ariz. John Moore/Getty Images hide caption

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Patients wait in line at Nuestra Clinica Del Valle in San Juan, Texas, in September 2012 file photo. A study released on Wednesday finds that immigrants, particularly noncitizens, heavily subsidize Medicare, and that policies that restrict immigration may deplete Medicare's financial resources. Eric Gay/AP hide caption

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A bill proposed by the Senate's Gang of Eight (from left, Jeff Flake, R-Ariz.; Marco Rubio, R-Fla.; Charles Schumer, D-N.Y.; John McCain, R-Ariz.; Lindsey Graham, R-S.C.; Bob Menendez, D-N.J.; Dick Durbin, D-Ill.; and Michael Bennet, D-Colo.) has passed out of committee and is headed for the full Senate. But the fate of the issue in the House is less clear. Alex Wong/Getty Images hide caption

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