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

itoggle caption Scott Horsley/NPR

President Barack Obama smiles as he looks over towards Cuban President Raul Castro during their meeting at the Summit of the Americas in Panama City, Panama on Saturday. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Night in Port-au-Prince, Haiti. Analysts warn a sudden energy shortage in the Caribbean could create security problems not far from U.S. shores and even trigger mass migration. But thanks to its domestic energy boom, the U.S. has a rare opportunity to get out in front of the crisis and possibly build some goodwill of its own. Hector Retamal/AFP/Getty Images hide caption

itoggle caption Hector Retamal/AFP/Getty Images

"We must try as best we can to balance isolation and engagement, pressure and incentives, so that human rights and dignity are advanced over time," Obama said five years ago, accepting the Nobel Peace Prize. Mark Wilson/Getty Images hide caption

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Congress tries every year to plug a loophole that would otherwise result in a 21 percent cut in Medicare doctors' pay. But it doesn't exactly always tighten its belt in the process. Key Wilde/Getty Images hide caption

itoggle caption Key Wilde/Getty Images

Maranda Brooks stands in January outside a payday loans business that she used to frequent. Troubled by consumer complaints and loopholes in state laws, federal regulators are proposing expansive, first-ever rules on payday lenders, aimed at helping cash-strapped borrowers from falling into a cycle of debt. Tony Dejak/AP hide caption

itoggle caption Tony Dejak/AP