announcer: this is sarah watkins. a lot of people almost helped her. one almost cooked for her. another almost drove her to the doctor. still another almost stopped by to say hello. they almost helped. the almost gave of themselves. but almost giving is the same as not giving at all. >> this morning, everyone, and welcome to the 2010 s justice some of. there must be justice. i want to begin -- to the 2010 justice summit. there must be justice. i want to begin by welcoming you. i am a public defender here in san francisco, and i will be overseeing the first part of the program today. we are going to be talking about something is called ordinary in justice. if you look if the word, it says, an unjust act, and within the criminal justice system, there are a lot of fun just as if that occur. we just do not hear about them. -- a lot of unjust acts that occur. we have probably all heard there have been 150 human beings who have been exonerated after being sent to death row. that means 150 people in this country were tried and convicted and sentenced to death and then exonerated face o