If a vacany occurred then yes.
He will resign from the position of Senator and the Governor of Illinois will appoint a replacement for him.
The position of Senator is higher ranking than Govenor
He was a govenor for Illonis.He was senator for Illinois
tennseee
He was the junior senator from Illinois.
The newest senator of Illinois is Tammy Duckworth.
US Senator from Illinois. Prior to that he was a state senator from Illinois.
He was a state senator from Illinois, and then a U.S. senator from that state.
Tammy Duckworth is the newest senator for Illinois.
He was a US Senator representing Illinois.
Republican Mark Kirk was elected junior Senator from Illinois in 2010.
among other things: US Senator from Illinois, Illinois State Senator