AdvertisementWhite House Urged To Take Action On ATF VacancyJanuary 20, 2011Brian NaylorfacebookEmailPresident Obama has nominated Andrew Traver, the current chief of the bureau's Chicago office and a career law enforcement official, to lead the Bureau of Alcohol, Tobacco, Firearms and Explosives. But the National Rifle Association has voiced opposition to Traver, pictured here in 2007. (AP)