A memorial sits at the site of Michael Brown's death in Ferguson, Mo. Any investigation into his shooting by a police officer is likely to take months. Larry W. Smith/EPA/Landov hide caption

itoggle caption Larry W. Smith/EPA/Landov

Attorney General Eric Holder testifies before the House Judiciary Committee on the oversight of the U.S. Department of Justice on Capitol Hill in Washington, Tuesday. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP

John Lewis (left) and Stuart Gaffney embrace outside San Francisco's City Hall shortly before the U.S. Supreme Court ruling cleared the way for same-sex marriage in California in June. Noah Berger/AP hide caption

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Despite a Supreme Court ruling that gutted a key part of the Voting Rights Act, Attorney General Eric Holder wants a court to use another section of the 1965 law to require Texas to get the federal government's approval before changing its voting laws. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

An unmanned drone patrols the U.S.-Canadian border. Attorney General Eric Holder, in a letter to Sen. Rand Paul, R-Ky., said the president could in an "extraordinary circumstance" order a drone strike inside the country. U.S. Customs and Border Protection /AP hide caption

itoggle caption U.S. Customs and Border Protection /AP

"Not one U.S. citizen has been eliminated from the voter rolls," Florida Gov. Rick Scott tells NPR's Michel Martin. "Not one." Chris O'Meara/AP hide caption

itoggle caption Chris O'Meara/AP