WASHINGTON, DC - SEPTEMBER 22: Sen. Chris Murphy (D-CT) speaks during a news conference with Senate Finance Committee members (L-R) Sen. Debbie Stabenow (D-MI), Sen. Ron Wyden (D-OR), Sen. Ben Cardin (D-MD) and Senate Minority Leader Harry Reid (D-NV) to call on Republicans to hold a vote on the Presidential Tax Transparency Act at the U.S. Capitol September 22, 2016 in Washington, DC. The proposed legislation would require presidential candidates to 'release their tax returns shortly after becoming the official nominees of their parties.' (Photo by Chip Somodevilla/Getty Images)