President Obama speaks to an audience of international leaders and religious figures Thursday at the White House Summit on Countering Violent Extremism, at the State Department. Brendan Smialowski/AFP/Getty Images hide caption

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Ukrainian President Petro Poroshenko, left, German Chancellor Angela Merkel and U.S. Vice President Joe Biden, background right, arrive for a meeting in Munich, Germany on Saturday. Matthias Schrader/AP hide caption

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An up-close shot of Indian Prime Minister Narendra Modi's suit reveals its telltale lettering: his name, in stripes of gold down his jacket. Prakash Singh/AFP/Getty Images hide caption

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Indian Prime Minister Narendra Modi and President Obama meet at Hyderabad House in New Delhi on Sunday, the first day of Obama's three-day trip to India. UPI/Landov hide caption

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