Now trailing in public opinion polls, Republican Matt Salmon on Monday launched one of his strongest attacks yet against front-runner Janet Napolitano during a live debate by suggesting she cares more about endangered species than national security. Salmon confronted Napolitano, a Democrat and the state's attorney general, about her refusal to back federal legislation that would exempt military bases from certain environmental laws. Secretary of Defense Donald Rumsfeld had asked all state attorneys general for their backing this summer. But Salmon said Napolitano was one of only seven attorneys general who said the laws are needed to force the...