extensive-effort-to-justify-trumps-decision-to-block-ukraine-military-aid/2019/11/24/2121cf98-0d57-11ea-bd9dc628fd48b3a0_story.html).
135 Letter from Chairman Eliot L. Engel, House Committee on Foreign Affairs, Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, and Chairman Elijah E. Cummings, House Committee on Oversight and Reform, to Vice President Michael R. Pence (Oct. 4, 2019) (online at https://oversight.house.gov/sites/democrats.oversight.house.gov/files/documents/2019-1004.EEC%20Engel%20Schiff%20%20re%20Request%20to%20VP%2010-0419%20Letter%20and%20Schedule.pdf).
136 Id.
137 Letter from Matthew E. Morgan, Counsel to the Vice President, Office of the Vice President, to Chairman Elijah E. Cummings, House Committee on Oversight and Reform, Chairman Eliot L. Engel, House Committee on Foreign Affairs, and Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence (Oct. 15, 2019).
138 Vindman-Williams Hearing Tr. at 61.
139 Williams Dep. Tr. at 129.
140 Vindman-Williams Hearing Tr. at 15.
141 Id. at 23-24.
142 Williams Dep. Tr. at 74-75.
143 Letter from Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, Chairman Eliot L. Engel, House Committee on Foreign Affairs, and Chairman Elijah E. Cummings, House Committee on Oversight and Reform, to Acting Director Russell T. Vought, Office of Management and Budget (Oct. 7, 2019) (online at https://intelligence.house.gov/uploadedfiles/2019-10-07.eec_engel_schiff_to_vought_omb_re_subpoena.pdf).
144 Id.
145 Letter from Jason Yaworske, Associate Director for Legislative Affairs, Office of Management and Budget, to Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence (Oct. 15, 2019).
146 Sandy Dep. Tr. at 23-26.
147 Id. at 36-41.
148 Id. at 57-60, 62-63.
149 Letter from Chairman Eliot L. Engel, House Committee on Foreign Affairs, Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, and Chairman Elijah E. Cummings, House Committee on Oversight and Reform, to Secretary Michael R. Pompeo, Department of State (Sept. 9, 2019) (online at https://intelligence.house.gov/uploadedfiles/ele_schiff_cummings_letter_to_sec_pompeo_on_ukraine.pdf).
150 Letter from Chairman Eliot L. Engel, House Committee on Foreign Affairs, Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, and Chairman Elijah E. Cummings, House Committee on Oversight and Reform, to Secretary Michael R. Pompeo, Department of State (Sept. 23, 2019).
151 Letter from Chairman Eliot L. Engel, House Committee on Foreign Affairs, Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, and Chairman Elijah E. Cummings, House Committee on Oversight and Reform, to Secretary Michael R. Pompeo, Department of State (Sept. 27, 2019) (online at https://oversight.house.gov/sites/democrats.oversight.house.gov/files/documents/2019-0927.EEC%20Engel%20Schiff%20%20to%20Pompeo-%20State%20re%20Document%20Subpoena.pdf).
152 Letter from Chairman Adam B. Schiff, House Permanent Select Committee on Intelligence, Chairman Elijah E. Cummings, House Committee on Oversight and Reform, and Chairman Eliot L. Engel, House Committee on Foreign Affairs, to Ambassador Gordon Sondland, Department of State (Oct. 8, 2019) (online at https://oversight.house.gov/sites/democrats.oversight.house.gov/files/documents/2019-1008.EEC%20Engel%20Schiff%20to%20Sondland%20re%20Subpoena.pdf); Letter from Chairman Eliot L. Engel,
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