Letter to Secretary of State Pompeo on Escalating Tensions With Iran, June 18, 2019
Letter to Congress on Situation in Yemen, December 4, 2018
Letter to Congress on Humanitarian Crisis in Yemen and on Arms Sales to Saudi Arabia, July 19, 2018
Letter to Senate on P5+1 Iran Nuclear Agreement, July 14, 2015
Letter to National Security Council Special Assistant Hall on U.S. Remaining in the Joint Comprehensive Plan of Action and Past Support for the P5+1 Iran Deal, May 4, 2018
Bishop Cantu Welcomes P5+1/Iran Nuclear Agreement
Letter to Congress on Iran Ballistic Missiles and International Sanctions Enforcement Act, November 9, 2017
Letter to Secretary of State Tillerson on Nuclear Non-Proliferation Efforts, October 3, 2017
Letter to Secretary of State Kerry Regarding Peace Efforts in the Middle East, January 20, 2016
Letter to Congress on Negotiations with Iran Regarding Nuclear Program, April 13, 2015
Letter to Secretary of State Kerry on Negotiations with Iran Over Iran's Nuclear Program, April 8, 2015
Letter to Congress Regarding Negotiations with Iran Over Its Nuclear Program, January 13, 2015
Letter to Congress on Negotiations with Iran Over Its Nuclear Program, January 6, 2014
Letter to Secretary of State Kerry on Interim Agreement Regarding Iran's Nuclear Program, November 27, 2013
Letter to U.S. Senate on Prohibition of Torture, October 4, 2005
Letter to Secretary of State Kerry on Arms Trade Treaty and Negotiations with Iran Over Its Nuclear Program, October 4, 2013
Letter to President Obama on Nuclear Disarmament and on Middle East Peace, June 25, 2013
Letter to National Security Advisor Donilon Regarding Iran's Nuclear Program and Possible Military Action, December 18, 2012
Letter to Secretary of State Clinton Regarding Iran's Compliance with the Nuclear Non-Proliferation Treaty, March 2, 2012
Letter to Secretary of State Rice Regarding Iran's Compliance with the Nuclear Non-Proliferation Treaty Safeguards Agreement, November 1, 2007