SPRINGFIELD — House Bill 40, which allows tax dollars to be used on abortions, re-emerged this week as a sticking point in the state’s gubernatorial race.A pro-reproductive rights political action committee called on both major candidates — Republican Gov. Bruce Rauner and Democrat J.B. Pritzker — to sign a pledge promising to preserve the measure, which Rauner signed into law in September.“If elected [g]overnor on November 6, 2018, I, [candidate name], pledge that I will not sign any …