Letter to Congress on Nuclear Weapons, November 27, 2019
Letters to Congress on Extension of New START Treaty and Act to Maintain Limits on Russian Nuclear Forces, November 27, 2019
Letter to Congress on New START and National Defense Authorization Act, August 22, 2019
Letter to Secretary Tillerson from Bishop Cantú on Nuclear Disarmament, February 14, 2017
Letter to U.S. Senate Urging Ratification of New START Treaty, November 29, 2010