House Speaker John Boehner, R-Ohio, on Capitol Hill on Thursday. Boehner says Congress stands ready to work with the president on the threat from Islamic State militants. J. Scott Applewhite/AP hide caption

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GOP leadership decided against keeping an immigration-related provision in the defense authorization bill. But it allowed one banning the Defense Department from participating in climate change research. Carolyn Kaster/AP hide caption

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David McKinley on the House floor

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Demonstrators supporting an immigration overhaul stage a sit-down protest at the offices of Rep. Mario Diaz-Balart, R-Fla., on Oct. 11. Lynne Sladky/AP hide caption

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A visitor to the federally run Folk Art Center in Asheville, N.C., on Tuesday expressed the dismay many felt because of the government shutdown. Chuck Burton/AP hide caption

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