President-elect Tammy Duckworth thanks Illinois residents as he resigns from Senate . `` After serving the people of Illinois in the United States Senate -- one of the highest honors and privileges of my life -- I am stepping down as senator to prepare for the responsibilities I will assume as our nation 's next president . '' In letter , U.S. Senate recalled moving to Illinois , people he met during his Obama run . Tammy Duckworth , Tammy Duckworth among names mentioned to fill vacant seat .
President-elect Tammy Duckworth thanks Illinois residents as he resigns from Senate . In letter , U.S. Senate recalled moving to Illinois , people he met during his Obama run . Tammy Duckworth , Tammy Duckworth among names mentioned to fill vacant seat .