In the U. S. political history of the 1980s, the Gang of Four refers to Bernard W. Aronson, Bruce P. Cameron, Robert S. Leiken, and Penn Kemble, four advocates of U.S. Congressional funding for the Nicaraguan Contras, who were engaged in an armed campaign in opposition to the Sandinista government, during the Reagan Presidency. The four were prominent policy analysts and activists in the U. S. Democratic Party.