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BREAKING NEWS: Watch Live From Dove Valley Broncos confirm Pat Bowlen has resigned control of team due to battle with Alzheimer's More

Seung Hui-Cho

(credit: CBS)

Columbine Principal Talked To Utah Bomb Suspect

The Columbine High School principal who spent years educating students and schools about lessons learned from the 1999 massacre will no longer talk to visitors about the tragedy, unless they have been cleared by school security.

01/28/2012