Gene Maddaus Senior Media WriterHaim Saban, the media billionaire who is a fixture in Democratic Party fundraising, is organizing a $500,000-per-person fundraiser for Joe Biden next Monday.Saban has long said he is “a one-issue guy, and my issue is Israel.” In a statement supporting Biden, Saban said the former vice president will “ensure that the strong, bipartisan alliance between the U.S.