Senator Orrin Hatch, a Republican from Utah and chairman of the Senate Finance Committee, right, and Senator Ron Wyden, a Democrat from Oregon, left,...
Senator Mark Warner, a Democrat from Virginia, listens during a Senate Finance Committee hearing in Washington, D.C., U.S., on Tuesday, Dec. 1, 2015....
Senator Orrin Hatch, a Republican from Utah and chairman of the Senate Finance Committee, right, and Senator Ron Wyden, a Democrat from Oregon, left,...
Robert Stack, deputy assistant secretary for international tax affairs at the U.S. Treasury Department, right, speaks during a Senate Finance...
Senator Orrin Hatch, a Republican from Utah and chairman of the Senate Finance Committee, right, looks on as Senator Ron Wyden, a Democrat from...
Senator Ron Wyden, a Democrat from Oregon, speaks during a Senate Finance Committee hearing with Senator Orrin Hatch, a Republican from Utah and...
Robert Stack, deputy assistant secretary for international tax affairs at the U.S. Treasury Department, speaks during a Senate Finance Committee...
Dorothy Coleman, vice president of tax and domestic economic policy with the National Association of Manufacturers, speaks during a Senate Finance...
Michael Danilack, principal with PricewaterhouseCoopers LLP, speaks during a Senate Finance Committee hearing in Washington, D.C., U.S., on Tuesday,...
Michael Danilack, principal with PricewaterhouseCoopers LLP, speaks during a Senate Finance Committee hearing in Washington, D.C., U.S., on Tuesday,...
Dorothy Coleman, vice president of tax and domestic economic policy with the National Association of Manufacturers, from left, Michael Danilack,...
Senator Charles "Chuck" Grassley, a Republican from Iowa, questions witnesses during a Senate Finance Committee hearing in Washington, D.C., U.S., on...
Senator Mark Warner, a Democrat from Virginia, questions witnesses during a Senate Finance Committee hearing in Washington, D.C., U.S., on Tuesday,...
Robert Stack, deputy assistant secretary for international tax affairs at the U.S. Treasury Department, right, looks on as Michael Danilack,...
Robert Stack, deputy assistant secretary for international tax affairs at the U.S. Treasury Department, speaks during a Senate Finance Committee...
Robert Stack, deputy assistant secretary for international tax affairs at the U.S. Treasury Department, from right, Michael Danilack, principal with...