Three days a week, The Associated Press asks the presidential candidates a question on the issues. Today's question and the responses: Guns Do you believe law-abiding citizens should be able to carry concealed guns? Democrats: Bill Bradley: "We should take all measures necessary to improve gun safety and reduce gun violence. There may be a few limited circumstances under which some law-abiding citizens, such as former police officers, could be eligible for concealed... (GunPolicy.org)