George Yin, the former chief of staff of the Joint Committee on Taxation, tells Lawrence that it is “absolutely” the responsibility of Congress to obtain a president’s tax returns to ensure that the letter of law is being followed by both the president and the institutions overseeing a president’s tax returns. Lawrence O’Donnell is also joined by Ways and Means member Jimmy Gomez.

https://www.youtube.com/watch?v=GbTXlzGcwFc