Pennsylvania Attorney General Kathleen Kane is leaving it to the governor's office to defend a lawsuit challenging a National Rifle Association-backed law that was designed to dismantle illegal municipal firearms ordinances, officials said Friday. A spokesman for Gov. Tom Corbett said the governor's legal office will defend the law against the challenge led by Philadelphia, Pittsburgh and Lancaster. Kane's office sent word earlier in the week that she would not take the case. Corbett, a Republican who opposes new forms of gun control, signed the law last month. The law widens the ability of the NRA or gun owners to...