Frank DeAngelis was serving as Columbine High School's principal when a pair of students killed 13 people and themselves. DeAngelis vowed to stay in that job until every child in the district who wanted to graduated from Columbine. With that promise fulfilled, Frank DeAngelis is now ready to retire. He spoke to Anderson about the recent string of school shootings and how he handled the job for the last 15 years.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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