Protestors chant slogans in front of the White House in Washington on September 10, 2012 during the “Caravan for Peace,” across the United States, a month-long campaign to protest the brutal drug war in Mexico and the US. The caravan departed from Tijuana in August with about 250 participants and ended in Washington. AFP PHOTO/Nicholas KAMM (Photo credit should read NICHOLAS KAMM/AFP/GettyImages)