Janet Napolitano, the governor of the Southwestern state of Arizona, has been named by President-elect Barack Obama to succeed Chertoff as Homeland Security Secretary.

• 美国亚利桑那州州长纳波里塔诺已经被当选总统奥巴马提名担任新的国土安全部部长，接替即将离任的切尔托夫。