Britney Spears‘ new attorney has filed a petition to remove her father Jamie as conservator.The singer’s lawyer, Mathew Rosengart, filed the petition in a Los Angeles court yesterday (July 26). As the New York Times reports, Rosengart’s filing cites a section of the probate code which gives the court the power to remove a conservator if it “is in the best interests” of the conservatee.He added that “serious questions abound concerning Mr.