For 5-year-old Manuela, the "magic word" is not please or thank you, it's "libertad"—the Spanish word for freedom. That's the term she's heard her mother say repeatedly in the 15 months since her father, Venezuelan opposition leader Leopoldo Lopez, has been in prison.

"We are going to free daddy," Lilian Tintori told her daughter in Spanish during a roundtable at the Council on Foreign Relations on Wednesday.