VA Tech tragedy has put the issue center stage, but keeping it there will be a challenge for both sides

After the initial shock and horror stemming from the Virginia Tech massacre that left 33 individuals dead, the raw emotional reach of the story soon segued into a ponderous debate.

Not since the Columbine school shootings of 1999 has such a protracted conversation about gun control, propelled by activists and the national media, seemed likely to occur.

"We've had ...