First lady Michelle Obama (C) joins Bowie State University President Mickey Burnim (L) and Provost Weldon Jackson (R) on stage for the university's graduation ceremony at the Comcast Center on the campus of the University of Maryland May 17, 2013 in College Park, Maryland. Obama received and Honorary Doctor of Laws degree before addressing the 600 graduates of Maryland's oldest historically black university and one of the ten oldest in the country.
Credit: Chip Somodevilla
A sheep flock moves over a meadow prior to an annual sheep drive through the town on May 19, 2013 in Moernsheim, Germany. The annual event in the Altmuehltal region of northern Bavaria, which is know for its lamb production, coincides with Pentecost.
Credit: Lennart Preiss
Thai monks pray as thousands of Thai monks gather on Visakha Bucha day in downtown Bangkok May 19, 2013. Visakha Bucha day is one of the most important days in the Buddhism calendar, every year monks gather to worship while many religious ceremonies occur during the week. Buddhism in Thailand is mostly of the Theravada school.
Credit: Paula Bronstein
A graffiti artist paints as young men skateboard in the skate park at the Southbank Centre on May 18, 2013 in London, England. Plans are underway to refurbish the Festival Wing, the Queen Elizabeth Hall, Purcell Room and Hayward Gallery complex, including the 'Undercroft', which would be replaced with new arts venues and retail outlets. The skate park, hailed as the birthplace of British skateboarding, is to be moved to nearby Hungerford Bridge, which has caused anger amongst the skateboarding and bmxing community.
Credit: Oli Scarff
Wayne County Sheriff's officers examine and enter into a database guns people brought in to exchange for a $50 Meijer gift card at a 'Groceries For Guns' gun buyback program May 18, 2013 at the New St. Paul Tabernacle Church of God in Christ in Detroit, Michigan. The event was sponsored by the law firm Goodman Acker P.C. in a public-private partnership with Wayne County.
Credit: Bill Pugliano
A portrait of Queen Elizabeth II is moved to it's final position in the Chapter House at Westminster Abbey on May 17, 2013 in London, England. An official portrait of Her Majesty The Queen has been installed at Westminster Abbey by MOMART Ltd, fine art handlers. The painting, entitled 'Coronation Theatre: Portrait Of Her Majesty Queen Elizabeth II' by artist Ralph Heimans goes on public display for the first time in London in the Chapter House of Westminster Abbey, and will be open to the public from Thursday 23rd May until Friday 27th September.
Credit: Dan Kitwood
Simpson (C) and his defense attorneys Patricia Palm (L) and Ozzie Fumo (R) listen during an evidentiary hearing in Clark County District Court on May 17, 2013 in Las Vegas, Nevada. Simpson, who is currently serving a nine-to-33-year sentence in state prison as a result of his October 2008 conviction for armed robbery and kidnapping charges, is using a writ of habeas corpus to seek a new trial, claiming he had such bad representation that his conviction should be reversed.