There promises to be nothing boring about the Illinois race to replace U.S. Sen. Dick Durbin, who will retire in 2027 after 30 years in office.

Durbin’s departure will have major implications for the Democratic caucus, where he has been the party whip for two decades, serving most recently as No. 2 to Sen. Chuck Schumer

Democratic Gov. JB Pritzker is expected to endorse his running mate, Lt. Gov. Juliana Stratton, for the U.S. Senate today, a move that could serve as a politically powerful warning to the rest of an emerging field seeking to replace retiring U.S. Sen. Dick Durbin.