President-elect Barack Obama thanks Illinois residents as he resigns from Senate . Obama wrote about moving to Illinois two decades ago `` as a young man eager to do my part in building a better America . '' The president will be sworn in on January 20 at the U.S. Capitol and take office Jan. 20. Jesse Jackson Jr. , Tammy Duckworth among names mentioned to fill vacant seat .
President-elect Barack Obama thanks Illinois residents as he resigns from Senate . The president will be sworn in on January 20 at the U.S. Capitol and take office Jan. 20. Jesse Jackson Jr. , Tammy Duckworth among names mentioned to fill vacant seat .