I guess that depends on your definition, and whether you believe the story told about the powerful California Assembly Speaker in today's San Francisco Chronicle...

Life began modestly for Nunez, who was born Dec. 26, 1966, at a San Diego hospital to Pablo and Soledad Nunez. The couple, who lived in Tijuana, wanted to have at least one child born on the other side of the border, and their opportunity came thanks to a program that allowed impoverished Mexicans to work in the United States. [How Nunez rose to power so fast, San Francisco Chronicle, Jan 22, 2008]