President Barack Obama and First Lady Michelle Obama participate in a ceremony to commemorate the 50th anniversary of the Vietnam War at the Vietnam Veterans Memorial Wall in Washington DC, on May 28, 2012. UPI/Kristoffer Tripplaar/Pool
United Press International is a leading provider of news, photos and information to millions of readers around the globe via UPI.com and its licensing services.
With a history of reliable reporting dating back to 1907, today's UPI is a credible source for the most important stories of the day, continually updated - a one-stop site for U.S. and world news, as well as entertainment, trends, science, health and stunning photography. UPI also provides insightful reports on key topics of geopolitical importance, including energy and security.