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US Secretary of State John Kerry (L) watches as US Marines, stationed in Cuba, carry the American flag during the raising of the US flag over the newly reopened embassy in Havana, Cuba. Friday, Aug. 14, 2015. Cuba and US officially restored diplomatic relations July 20, as part of efforts to normalize ties between the former Cold War foes. AFP PHOTO/POOL/PABLO MARTINEZ MONSIVAISPABLO MARTINEZ MONSIVAIS/AFP/Getty Images
US Secretary of State John Kerry (L) watches as US Marines, stationed in Cuba, carry the American flag during the raising of the US flag over the newly reopened embassy in Havana, Cuba. Friday, Aug. 14, 2015. Cuba and US officially restored diplomatic relations July 20, as part of efforts to normalize ties between the former Cold War foes. AFP PHOTO/POOL/PABLO MARTINEZ MONSIVAISPABLO MARTINEZ MONSIVAIS/AFP/Getty Images

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    Fmr. Cuban diplomat: I never thought I'd see this day

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Fmr. Cuban diplomat: I never thought I'd see this day

CNN's Hala Gorani speaks to former Cuban diplomat Carlos Alzugaray about the reopening of the U.S. embassy in Cuba and why he never thought he'd see this day.

Fmr. Cuban diplomat: I never thought I'd see this day

CNN's Hala Gorani speaks to former Cuban diplomat Carlos Alzugaray about the reopening of the U.S. embassy in Cuba and why he never thought he'd see this day.