Adm. Mike Mullen addresses audience members at Arizona State University's Walter Cronkite School of Journalism. Chairman of the Joint Chiefs of Staff Adm. Mike Mullen addresses audience members at Arizona State University's Walter Cronkite School of Journalism in Phoenix, Ariz., on March 10, 2010. Mullen visited the university to speak with Arizona local and state officials in his continuing Conversations with the Country tour. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 125062-M-BFL31-799.jpg Photo Gallery