A young progressive political operative identifying herself as “Syndney Leathers” has been identified as the woman who exchanged sexually provocative text messages and photos with New York mayoral candidate Anthony Weiner after his resignation from Congress.“Leathers,” who lists herself online as a field organizer for the pro-Obama group Organizing for Action, was fingered Tuesday by Buzzfeed as Weiner’s sexting partner. “Leathers” previously tweeted her support for Weiner on multiple occasions, even listing Weiner third on her list of “heroes,” which was topped by President Obama and included Bill Maher, Keith Olbermann, Jon Stewart, and Charlie Sheen.Weiner admitted in a press...