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CNN's Emily Schmidt was given rare access to explosives classes offered by the TSA to train security officers.
CNN's Brian Todd reports on the role Trayvon Martin's parents have played in the case against George Zimmerman.
Brian Todd reports on a government audit that says the U.S. Park Police lost track of hundreds of their guns.
RELATED STORY: Hundreds of Park Police guns unaccounted for, report says
Mohamed Tawfik, the Egyptian ambassador to the U.S., speaks about what's next for his country.
Billions of U.S. aid to Egypt is on the line depending on how Egypt handles its crisis. CNN's Chris Lawrence reports