NEW YORK — New York Mayor Michael Bloomberg joined gun violence victims Monday calling on President Barack Obama to urge tighter controls on firearms during his State of the Union address. The mayor, a prominent voice in the national debate over guns, said Obama's speech on Tuesday is a chance to act in the aftermath of this month's wounding of congresswoman Gabrielle Giffords and killing of six others in Arizona. "We believe it is an opportunity for our president... (GunPolicy.org)