tenure. and it's something that new york mayor michael bloomberg brought up, as well. he says he wants to overhaul the system and grant job security, which is the tenure based on performance. he says he'll make tenure something that has to be earned. do you support that? >> look, we -- mike bloomberg and i when i was in new york city, we did three different contracts and each one of those contracts reformed the tenure process. you're always reforming it. tenure is only due process as a hearing. what you really have to reform is the evaluation system and frankly, i give the mayor in new york city, the chancellor, my successor, a lot of credit because they and the new york state folk won the race to the top grant because they came up with a new evaluation system. so the key for them is they have to actually implement that. because evaluation is how you judge teachers. it's multiple measured. you have to look at a teacher