When you want to persuade people that the thing you are doing is good, moral, and just, you throw in the word “fairness.” That’s what the Democrats in the Pennsylvania House did last week, when they passed — by the slimmest of margins — House Bill 300 which was dubbed, duh, the Fairness Act. This act, if passed by the Senate and then signed by Gov. Josh Shapiro will, according to the Pa. Democra…