 On Wiener's radio program, a weekly public affairs interview show on Los Angeles radio station KPFK 90.7 FM., his guests have included Gail Collins, Jane Mayer, Joan Didion, Gore Vidal, Barbara Ehrenreich, Frank Rich, Seymour Hersh, Amos Oz, Mike Davis, Elmore Leonard, John Dean, Julian Bond, Al Franken, and Terry Gross.In his writing Wiener has criticized government secrecy, American foreign policy, and corporations such as Wal-Mart.Wiener is a political commentator, often advocating for left-leaning causes such as workers' rights, against plagiarism in academia by academics, and against corporations such as Walmart.