Five Republican candidates are vying to take on Illinois’ long-serving and well-funded incumbent senior senator, Dick Durbin, who is running for a fifth term this fall. All five join “Chicago Tonight” for a candidate forum.

Brace yourselves, Illinois residents. The matchup between Gov. Bruce Rauner and venture capitalist J.B. Pritkzer virtually guarantees incessant campaigning and political ads leading up to the Nov. 6 general election.

Burr Ridge physician Dr. Robert Marshall tells us why he’s running for governor and discusses his plans for Illinois.