Senate Foreign Relations Committee member Sen. Marco Rubio, R-Fla., questions Secretary of State John Kerry on Capitol Hill last month. In an interview with NPR, Rubio reiterated his opposition to President Obama's dealings with Iran and Cuba. Pablo Martinez Monsivais/AP hide caption

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President Obama, seen shaking hands with Raul Castro at the Summit of the Americas in Panama, engaged in the first substantive face-to-face U.S.-Cuba talks in more than 50 years. Scott Horsley/NPR hide caption

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Cuban President Raul Castro and President Obama shake hands as they meet on the sidelines of the Summit of the Americas in Panama City, Panama, on Saturday. It was the first substantive talk between leaders of the two countries in more than five decades. Pool/Scott Horsley hide caption

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President Obama speaks to NPR's Steve Inskeep at the White House on Monday. The president is pressing hard for a full-fledged nuclear agreement with Iran, part of his outreach to states that previous presidents ostracized for decades. Maggie Starbard/NPR hide caption

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The hood ornament of a 1955 Chevy Belair. Under new more liberal policies instituted in Cuba the past few years, the owner, Julio Alvarez, started a restoration shop and named the car Nadine. Its baby-pink counterpart is named Lola. Eyder Peralta/NPR hide caption

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Carlos Varela, a Cuban protest singer, poses for a picture at the bar of the historic Hotel Nacional in Havana. Eyder Peralta /NPR hide caption

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A view of one of the oldest parts of Havana. The buildings in the city tell a story of inequality. Eyder Peralta/NPR hide caption

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Cuban artist Tania Bruguera poses for a photograph near the statue of José Martí in Havana's Revolution Plaza. She was arrested in December for planning a political performance there. Eyder Peralta/NPR hide caption

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Yoan Francisco, a rookie for the Havana Industriales, warms up before a game at Havana's Latin American Stadium. Cuban baseball has been facing hard times, but improved diplomatic relations with the U.S. have raised the possibility of increased cooperation and new opportunities. Eyder Peralta/NPR hide caption

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The Havana studio of prominent artist Kcho is ringed by Cubans with their heads buried in screens. Users say the only other free Internet connection in Havana is at the U.S. Interests Section. Eyder Peralta/NPR hide caption

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Josefina Vidal, director general of the U.S. division at Cuba's Foreign Ministry, smiles at the start of the Cuba talks at the State Department in Washington, on Friday. Pablo Martinez Monsivais/AP hide caption

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Fernandina's Flicker (Colaptes fernandinae), a woodpecker found only in Cuba. Pete Oxford/Minden Pictures/Corbis hide caption

itoggle caption Pete Oxford/Minden Pictures/Corbis

Assistant Secretary of State, Bureau of Western Hemisphere Affairs, Roberta Jacobson, testifies on Capitol Hill in Washington, in February. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Poet Richard Blanco says that appearing at President Obama's second inauguration made him feel as if, for the first time, he "had a place at the American table." Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP