Pit bull discrimination is a terrible problem in our society. It didn’t always used to be that way. Historically, pit bulls used to be celebrated. Presidents Theodore Roosevelt and Woodrow Wilson had one; so did Fred Astaire and General George Patton. And consider Petey from Little Rascals or even brave Sergeant Stubby, a stray who won many metals and became a celebrity after helping wounded soldiers on the battlefield during WWI, locating them, boosting morale and even warning soldiers of poison gas attacks. He even captured a German spy …