UPDATED 10:54 AM EST, December 15, 2012
WASHINGTON (AP) — The question surfaces each time a mass murder unfolds: Will this one change the political calculus in Washington against tougher gun control?
The answer, after the Virginia Tech killings, the attempted assassination of Gabby Giffords, the Colorado movie-theater attack, the Wisconsin Sikh temple shootings, and more: No.
But now?
