Attorney General Eric Holder speaks with Capt. Ron Johnson of the Missouri State Highway Patrol at Drake&amp;#39;s Place Restaurant, Wednesday, Aug. 20, 2014, in Ferguson, Mo. Holder arrived in Missouri on Wednesday, a small group of protesters gathered outside the building where a grand jury could begin hearing evidence to determine whether a Ferguson police officer who shot 18-year-old Michael Brown should be charged in his death. (AP Photo/Pablo Martinez Monsivais, Pool)