CHAPEL HILL - A man charged with trying to kill students at the University of North Carolina by driving through a popular campus gathering spot says in a series of letters he does not deserve punishment. He also talks about his youth in Charlotte, referring at one point to a school fight he said he started at Myers Park Traditional Elementary School. And he refers to Mohammed Atta, ringleader of the 9/11 terrorist attacks on the United States, aqs "one of my role models." Mohammed Taheri-azar is accused of driving a Jeep Cherokee into a crowd of students gathered at...