2016: The Year in Washington (45 images)

Speaker of the House Paul Ryan (R-WI) speaks to reporters at a press conference on Capitol Hill in Washington, D.C., on September 15. Ryan said Republican presidential candidate Donald Trump should release his tax returns. Photo by Kevin Dietsch/UPI

President Barack Obama is presented with a ceremonial blanket by Brian Cladoosby (R), President of the National Congress of American Indians, and Lynn Malaria, Chief of Mohegan tribe, prior to delivering remarks at the White House Tribal Nations Conference in Washington, D.C., on September 26. Photo by Kevin Dietsch/UPI

John Stumpf, chairman and CEO of Wells Fargo & Company, testifies before the House Financial Services Committee on September 29 in Washington, D.C. Stumpf is testifying about Wells Fargo's opening of unauthorized customer accounts. Photo by Pete Marovich/UPI

Prime Minister of Israel Benjamin Netanyahu (L) and President Barack Obama (R) meet during a bilateral meeting at the Lotte New York Palace Hotel, September 21 in New York City. Israel and the United States agreed to a $38 billion, 10-year aid package for Israel. Obama is expected to discuss the need for a two-state solution for the Israeli-Palestinian conflict. Pool Photo by Drew Angerer/UPI