© Official White House Photo by Pete Souza

President Barack Obama and Vice President Joe Biden practice their putting on the White House putting green, 4/24/09.

©Bill Luster, The Courier-Journal

Exercise rider Lindsey Molina nuzzled the horse Rendezvous in the stable of trainer Jerry Hollendorfer. The horse ran fourth in the Derby Trial on opening day of Churchill Downs on Saturday. "He's got this thing," she said. "I'll cup my hands and he'll put his nose right in there." April 27, 2009.

© Steve Simonsen

Marine Sgt. Greg Edwards and SUDS founder John Thompson scuba diving.

© Will Baxter/WpN

A 23-year-old Zimbabwean woman infected with cholera passes in and out of consciousness as she is admitted to the Beatrice Infectious Diseases Hospital and given rehydration fluids through an IV in Harare, Zimbabwe, Dec. 23, 2008.

© Lance Rosenfield

In better times: Jimmy "Stretch" Borunda, 30, a bull rider from El Paso, Texas, prepares for his event at the Del Rio Rodeo on July 7, 2007. He went on to win the bull riding competition. Amateur bull riders across Texas compete in small-town rodeos where their sport is often the highlight of the night. Bull riders risk life and limb for rewards of around $1,000 for the winner, and they often claim to have riding "in their blood." From the series: "Thirst for Grit – Rodeo Bull Riders."

© Billy Macrae

Outside the Bank of England In London, an anti-capitalist activist climbs a gate to escape from riot police during the G20 protests. April 1, 2009.