President Obama's historic plunge Wednesday into the politics and realities of gun control in America has mobilized advocates on both sides of the issue.
But though his major proposals, from banning assault rifles to more stringent background checks and ammunition limits, are being rolled out in the shadow of the school massacre in Newtown, Conn., their Capitol Hill prospects remain highly uncertain given long-standing resistance to such efforts.
Both Obama and Vice President Biden, head of the president's task force on gun violence, said as much during their televised announcement of the
