Updated 3:22 p.m.with information from press conference.
The man who has headed the Illinois National Guard for the past five years is stepping down from that post to consider running as a Democrat for an open congressional seat.
Adjutant General William Enyart submitted his resignation Thursday and was replaced by Gov. Pat Quinn for the time being by Maj. Gen. Dennis Celletti. Celletti is the assistant adjutant general for the Army.