STUDENT GREETING Defense Secretary Robert M. Gates greets four students from the John Tyler Elementary School in Washington, D. C., before participating in opening ceremonies at the Pentagon's annual observation of Martin Luther King Jr.'s legacy, Jan. 15, 2009. The students were winners in the school's Martin Luther King Jr. essay contest. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 543551-F-XGM89-072.jpg Photo Gallery