April 22, 2011 12:14 pm Survey: Recession Changed US Energy Habits As Americans tried to find ways to save money, energy use decreased, according to a new survey. Local 0:44 At least 5 shot along Connecticut Avenue in Dupont Circle 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'