It creates an incentive (for teachers) to move away from the most challenging schools, the most challenging kids. And it sends a signal to people looking at the profession that this is a profession where excellence is not rewarded.
It's potentially very significant because it's no secret that there's a split in organized labor. The NEA, which has potentially millions of members, is essentially choosing a side.
It's potentially a big deal whether it succeeds or fails because there's implications in New York and there's implications nationally of initiatives like this.
That's one of the concerns you hear, that she is more interested in making peace among the special interests than in enforcing the law.