Newtown School Superintendent Janet Robinson (L) and Police Chief Scott Knight (R) of Chaska, Minnesota, applaud Emily Nottingham (C), mother of Congressional staffer Gabe Zimmerman who was killed during the mass shooting attack on former US Representative Gabrielle Giffords, after speaking about gun violence during a meeting of the House Democratic Steering and Policy Committee on Capitol Hill in Washington, DC, on January 16, 2013. AFP PHOTO / Saul LOEB