Religious leaders from around the United States, including Reverend Jim Wallis, President and CEO, Sojourners (2nd left) walk to the lectern to speak at a vigil on The Mall in Washington, DC, April 11, 2013 to commemorate the 3,300 lives lost to gun violence since the shootings in Newtown, CT and to call upon Congress to pass legislation to curb gun violence. Photo by Chris Kleponis/ Lifelines to Healing, PICO National Network/Sojourners

Religious leaders from around the United States, including Reverend Jim Wallis, President and CEO, Sojourners (2nd left) walk to the lectern to speak at a vigil on The Mall in Washington, DC, April 11, 2013 to commemorate the 3,300 lives lost to gun violence since the shootings in Newtown, CT and to call upon Congress to pass legislation to curb gun violence. Photo by Chris Kleponis/ Lifelines to Healing, PICO National Network/Sojourners