WASHINGTON, DC - SEPTEMBER 20:  Se. Elizabeth Warren (D-MA) questions John Stumpf, chairman and CEO of the Wells Fargo & Company, during a hearing of the Senate Banking, Housing and Urban Affairs Committee September 20, 2016 in Washington, DC. The committee heard testimony on the topic of 'An Examination of Wells Fargo's Unauthorized Accounts and the Regulatory Response.'  (Photo by Win McNamee/Getty Images)