Homeland Security Secretary Janet Napolitano and her Mexican counterpart, Interior Secretary Fernando Gomez-Mont, talked tough on border security and counternarcotics cooperation at the Brookings Institute Tuesday. The two said they will keep pressure on the cartels even as the immigration debate bubbles up from the controversial law in Napolitano's native Arizona. Gomez-Mont, a former Mexican Justice Committee official, said he has "no sympathy for killers" as he... (GunPolicy.org)