Subcommittee on Western Hemisphere and Global Narcotics Affairs Cartels and the U.S. Heroin Epidemic: Combating Drug Violence and Public Health Crisis Friday, May 20, 2016 - 11:30 The Senate Committee on Foreign Relations will hold a hearing to discuss to role of cartels in the combatting drug violece and public health crises. Witnesses from the State Department and the Office of National Drug Control Policy will testify.