mr. chairman. >> thank you, senator warren. and i didn't welcome senator collins to the committee, which i should. we're delighted to have them back. she and senator cassidy are the only new senators this year. and you're not really new. senator roberts? >> thank you, mr. chairman. number one, i would observe that we have flipped the seating arrangement here. there's a brand-new start. the lights are a little brighter. the heat is a little warmer. you can see what the majority used to enjoy. but basically, i observed the minority is to your right and we, sir, are to your left, which is seldom. but at any rate, just thought i'd make that observation. i'd like to concentrate on the teachers -- stephen, how do you pronounce your last name? >> lazar. >> that's what i figured. thank you for your statements on behalf of teachers. some years ago, way before senator collins, i was a teacher for three years. i worried about standard deviation. i had a principal who insisted on doing that and we finally had meaningful dialogue and i was free from that effort. i have no idea how you teach x number of months the way you want to teach and then one month being, quote,