Bishop is a member of the Congressional Black Caucus, as well as the Blue Dog Democrats, a group of moderate to conservative House Democrats. Due to his willingness to work across the aisle, Congressman Bishop was ranked the 16th most bipartisan member of the 114th Congress. The ranking was part of the Bipartisan Index put forth by The Lugar Center in collaboration with Georgetown University. Serving a primarily agricultural district, Bishop has fought to preserve the federal price supports for peanuts, southwest Georgia's most important crop. "The New York Times" quoted Mr. Adams, chairman of the agency that administers Federal farm programs in Georgia saying "It's questionable whether it would have survived without the votes he brought to it". In 1997, he caused considerable controversy within his own party by cosponsoring a bill by U.S. Representative Ernest Istook (R-Oklahoma) to introduce a constitutional amendment to protect religious expression on public property, known as the H. J. Res, 78, the Religious Freedom Amendment. The specific wording of the amendment allowing the practice of religion on public property, most notably public schools, reads as follows: