Levin: Taxes an Issue In 2012 - Thanks to Romney Returnsbr The Christian Science Monitor - St. Regis Hotelbr On Thursday, January 26, 2012, U.S. Senator Carl Levin (D, MI) joined the Monitor Breakfast for a conversation with reporters. He has been Michigan's senior senator since 1995, and has served as a U.S. Senator longer than any Senator in Michigan history. He was elected to a sixth term in 2008, which will end in January 2015.