A Pepco utility worker cordons off an up
A Pepco utility worker cordons off an uprooted treet on Upton Street August 28, 2011 after Hurricane Irene swept through the area. Hundreds of thousands in the Capital region have been left without power in the wake of Hurricane Irene. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)