State Sen. Bill Brady (right) and his Senate colleague Kirk Dillard (left) sparred at the GOP gubernatorial debate Thursday night at Benedictine University in Lisle. Between them is Illinois Treasurer Dan Rutherford. The fourth GOP candidate, Bruce Rauner, did not participate in the debate. | Jon Cunningham/For Sun-Times Media
State Sens. Kirk Dillard and Bill Brady traded jabs Thursday night at a GOP primary debate that dredged up touchy feelings about dogs and cats and old TV commercials.