Investigations Douglas L. Kriner and Eric Schickler, “Investigating the President: Committee Probes and Presidential Approval, 1953-2006,” Journal of Politics, Vol. 76 (April 2014): pp. 521-534 David R. Miller and Andrew Reeves, “Attitudes Toward Delegation to Presidential Commissions,” Presidential Studies Quarterly, Vol 47 (September 2017): 495-516. Douglas Kriner and Eric Schickler, “The Resilience of Separation of Powers?: Congress and the Russia Investigation,” Presidential Studies Quarterly, Vol. 48 (September 2018): pp. 436-455.