 Although this was one of McCain's biggest Senate victories, the effect was short-lived as the U.S. Supreme Court ruled the act unconstitutional in 1998.In a more symbolic attempt to limit congressional privilege, he introduced an amendment in 1994 to remove free VIP parking for members of Congress at D.C. area airports; his annoyed colleagues rejected the notion and accused McCain of grandstanding.He was the only Republican senator to vote against the Freedom to Farm Act in 1996, saying that it catered to special interests rather than representing true reform of farm subsidies policy.