Graham Allison is a professor of government at the Harvard Kennedy School, where he was the founding dean. He is a former U.S. assistant defense secretary and the author of Destined for War: Can America and China Escape Thucydides’s Trap?
India's Prime Minister Narendra Modi, wearing a dark tunic with white long-sleeved shirt under it, gives a thumbs up sign from behind a podium and teleprompter at an Indian cultural event in Sydney on May 23.
New U.S. citizens wave American flags at a naturalization ceremony, welcoming more than 7,200 immigrants from over 100 countries on March 20, 2018 in Los Angeles, California
