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Sen. Ted Cruz, R-Texas, center, speaks at a news conference with conservative Congressional Republicans who persuaded the House leadership to include defunding the Affordable Care Act legislation to prevent a government shutdown, at the Capitol in Washington, Thursday, Sept. 19, 2013. From left are Rep. Tom Graves, R-Ga., Sen. Ted Cruz, R-Texas, and Rep. Matt Salmon, R-Ariz. (AP Photo/J. Scott Applewhite)
Sen. Ted Cruz, R-Texas, center, speaks at a news conference with conservative Congressional Republicans who persuaded the House leadership to include defunding the Affordable Care Act legislation to prevent a government shutdown, at the Capitol in Washington, Thursday, Sept. 19, 2013. From left are Rep. Tom Graves, R-Ga., Sen. Ted Cruz, R-Texas, and Rep. Matt Salmon, R-Ariz. (AP Photo/J. Scott Applewhite)

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    Sen. Ted Cruz's war on Obamacare

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Sen. Ted Cruz's war on Obamacare

GOP Sen. Ted Cruz's battle to defund Obamacare is angering some of his fellow Republicans. CNN's Dana Bash reports.

Sen. Ted Cruz's war on Obamacare

GOP Sen. Ted Cruz's battle to defund Obamacare is angering some of his fellow Republicans. CNN's Dana Bash reports.