Teachers' Unions oppose School Choice because it threatens the millions they've made. Leftists oppose School Choice because they're a bunch of Socialists.
PUBLIC SCHOOLS ARE UNION SHOPS. THE GOVERNOR OF ARIZONA WAS WELL WITHIN HIS RIGHTS TO GIVE PARENTS THE ABILITY TO DECIDE WHICH SCHOOL THEIR KIDS WILL GO TO. NO. THE GOVERNOR OF ARIZONA CAN'T SIGN A BILL THAT SAYS THAT PARENTS WILL NO LONGER BE FORCED TO SEND KIDS TO PUBLIC SCHOOLS! IT'S A HANDOUT FOR PRIVATE SCHOOLS! REEEE!