Actress Daryl Hannah is arrested by U.S. Park Police in front of the White House on Aug. 30, 2011, during a protest against the Keystone oil pipeline. (Associated Press)

Photo by: Evan Vucci

Actress Daryl Hannah is arrested by U.S. Park Police in front of the White House on Aug. 30, 2011, during a protest against the Keystone oil pipeline. (Associated Press)