The gun control agenda that President Obama unveiled with urgency on Wednesday now faces an uncertain fate in a bitterly divided Congress, where Republican opposition hardened and centrist Democrats remained noncommittal after a month of feverish public debate.By pursuing an expansive overhaul of the nation's gun laws, Obama is wagering that public opinion has evolved enough after a string of mass shootings to force passage of politically contentious measures that Congress has long stymied.Yet there was no indication Wednesday that the mood on Capitol Hill has changed much. Within hours of Obama's formal policy rollout at the White House, Republicans who had previously said they were open to a discussion about gun violence condemned his agenda as violating the Second Amendment's right to bear arms."I'm confident there will be bipartisan opposition to his proposal," Sen. Lindsey O. Graham (R-S.C.) said in a statement.

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