what is the purpose of the mccain-feingold act
U.S. Sens. John McCain, left, and Russ Feingold worked together to push through what was among the first significant campaign-finance reform measures in modern political history. U.S. Senate. The McCain-Feingold Act is one of several federal laws that regulates the financing of political campaigns.It is named after its chief sponsors, Republican U.S. Sen. John McCain of Arizona and Democratic U.S. Sen. Russell Feingold of Wisconsin..S. Sens. John McCain, left, and Russ Feingold worked together to push through what was among the first significant campaign-finance reform measures in modern political history. U.S. Senate. The McCain-Feingold Act is one of several federal laws that regulates the financing of political campaigns.