KARACHI: Patron-In-Chief of Pakistan Peoples Party, Bilawal Bhutto Zardari, has paid glowing tributes to Begum Nusrat Bhutto on her second death anniversary. He called her the ‘Mother of Democracy’ who fought valiantly for the nation against dictatorship. In his message, he said Begum Bhutto lost her husband, two sons and a daughter in the struggle of…