Hillary Clinton had only distant praise for Mayor Bill de Blasio on Friday, when asked whether the mayor, who held out on endorsing her in hopes of influencing her political platform, had achieved his desired effect. "Bill has been a friend of mine for a long time," Clinton, the former Secretary of State and presidential candidate, said on WNYC's "The Brian Lehrer Show," adding, "We had a really productive conversation."Clinton hasn't had much to say about de Blasio, who managed her first run for U.S.