claim: Backing vocalists cannot ever sing.
evidence: Theodore J. `` Ted '' Lowi -LRB- July 9 , 1931 -- February 17 , 2017 -RRB- was an American political scientist .. American. United States. He was the John L. Senior Professor of American Institutions teaching in the Government Department at Cornell University .. John L. Senior. John L. Senior. Cornell University. Cornell University. American. United States. His area of research was the American government and public policy .. American. United States. public policy. public policy. He was a member of the core faculty of the Cornell Institute for Public Affairs .. Cornell Institute for Public Affairs. Cornell Institute for Public Affairs