PHOENIX — Sen. Jon Kyl said he doesn't "feel totally safe'' with Janet Napolitano at the helm of the Department of Homeland Security, given that agency's handling of the attempt to blow up a Detroit-bound airliner. At a press conference Tuesday, Kyl and fellow Sen. John McCain, both Republicans, detailed what they said was a breakdown of security that allowed Umar Farouk Abdulmutallab not only to board the plane but to be carrying explosives. Kyl said it was bad enough that the Nigerian got on the plane in the first place given what should have been warning signals. But in...