By David Ingram WASHINGTON (Reuters) - The United States uses drones for surveillance in some limited law enforcement situations, FBI Director Robert Mueller said on Wednesday, sparking additional debate about President Barack Obama's use of domestic surveillance. The acknowledgement came in response to questions from U.S. senators who said they wanted to know more about the federal government's increasing use of unmanned aircraft. "Does the FBI use drones for surveillance on U.S. soil?" Republican Senator Charles Grassley of Iowa asked during a Senate Judiciary Committee hearing. ...

By Yereth Rosen ANCHORAGE, Alaska (Reuters) - U.S. Senator Lisa Murkowski of Alaska publicly backed gay marriage on Wednesday, becoming the third Republican senator to do so as she spoke out ahead of potentially landmark rulings from the Supreme Court on the issue. Murkowski, 56, wrote in an essay posted on her Senate website that her decision was swayed, in part, by meeting a lesbian couple from Anchorage, one of whom was in the National Guard, who had adopted four children. "This first-class Alaskan family still lives a second-class existence," Murkowski said in her essay. ...