diane ravitch has advised two presidents both republican and democrat. d to have you on this program. all the best to you. >> thank you, tavis. >>> coming up, we'll talk with dr. john deasy about lausd. stay with us. >>> we continue our conversation now about the problems facing public schools in this country with dr. john deasy who is the superintendent of los angeles unified school district oversees a budget of $7 billion providing education for more than 650,000 students overhalf who live below the poverty line. she both an advocate for teacher's rights and opponent of teachers unions on tenure. dr. deasy, good to have you back on this program. >> good to see you again. >> let me start with the teacher tenure. >> sure. >> ruling that was rendered some weeks ago, finding teacher tenure aspects of it unconstitutional. you were a witness for the plaintiff in that particular case. tell me what your testimony essentially was and why you feel that way. >> sure. it was one of the five laws that were found unconstitutional in the state of california in the vag