and michael mcshane, a research fellow in education policy studies at the american enterprise institute, a conservative washington think tank. michael mcshane, though it wasn't all about money the teachers got a raise, rahm emanuel got a new evaluation system for teachers that he wanted, the kids are back in school. is it as the mayor calls it a grand compromise? >> i think it's definitely a compromise. how grand it is is probably a little bit up for debate. depending on how you look at the issue, if you are for more robust systems of teacher accountability that's definitely something that is part of this agreement. up to a third of a teacher's evaluation is going to be based on student test scores and as far as hiring teachers that only half of those that are in the pool that can be hired are-- those that have already been laid off, the other half, principals will be free to choose on tir own. >> suarez: professor darling-hammond in the past we've had recent debates in d.c., new york, boston, l.a., is this following a pattern and setting a pattern for coming negotiations in other big c