 Gingrich supports prison reform; he has stated that spending on prisons is too high, and increasing incarceration is unsustainable.According to a "Washington Post" op-ed Gingrich co-authored with Pat Nolan, as a supporter of the conservative "Right on Crime Campaign", he is in favor of diverting funding from prisons to probation services and "proven community corrections approaches".In April 2011, Gingrich wrote to the NAACP in support of its call for criminal justice system reform.