JILLIAN KAY MELCHIOR: In NYC, the teachers’ union tries to grab some more taxpayer money. “The New York United Federation of Teachers (UFT) is demanding up to $3.5 billion in ‘back pay’ for a raise the union says teachers should have received five years ago. If the teachers’ union succeeds, the repercussions will be felt in other labor negotiations at a time of precarious city finances.”