Lawmakers in California, the District of Columbia, as well as a handful on Capitol Hill said they intend to fight block 3-D gun printing technology.

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Lindsey Graham, a leading Republican and tough Obama critic, told CNN's Jim Acosta that he would not block a vote on gun control in the Senate.

CNN: Obama's emotional plea might lead to vote on guns

Although the Senate has rejected an attempt to block debate on expanded background checks for gun sales, leaders say debate over the actual bill could last weeks.

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