Snapshots: The world in 24 hours, May 17

Oprah Winfrey wipes a tear from her eye as she stands with actor Tom Hanks during the taping of "Oprah's Surprise Spectacular" in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. [Photo/Agencies]