City officials are reeling after a member of D.C. Mayor Anthony Williams’ cabinet was found dead in her home. Wanda Alston had served as advisor to the mayor as director of the D.C. Office of Gay, Lesbian, Bisexual and Transgender Affairs. She is pictured to the right in a photo from the Washington Blade printed in a story from last July about the selection of a new head for the D.C. HIV/AIDS Administration. The AP…