LAHORE / KARACHI: Prime Minister Shehbaz Sharif has promised to do his best to resolve the PPP’s reservations over the Cholistan canals project, as well as the party’s misgivings over ‘power sharing’ in Punjab, which were conveyed to him by a PPP delegation that met him over the weekend. PPP leader Shazia Marri, accompanied by senior parliamentarians Syed Khursheed Shah …