RawStory:

"Arizona Gov. Janet Napolitano (D) has been chosen to serve as secretary of the vast and troubled Department of Homeland Security for President-elect Obama," Politico's Mike Allen reported late Wednesday night. "Napolitano is a border governor who will now be responsible for immigration policy and border security, which are part of Homeland Security's myriad functions."

Napolitano has been a big Obama booster through out his campaign. Here she is, introducing Obama in September: