Dick's Sporting Goods suspends sales of certain rifles

Lucas Gamez, 4, holds a candle at a vigil in Winnipeg, Canada, in memory of six year-old Ana Marquez-Greene, a victim of Friday's mass shooting in Newtown, Conn., on Monday Dec. 17, 2012. The vigil was held at the University of Winnipeg, where Ana's mother had previously worked as a licensed therapist. (AP Photo/The Canadian Press, Trevor Hagan)