LAHORE, April 26 (EW): Prime Minister Shehbaz Sharif has summoned a meeting of the ruling alliance today (Wednesday) before negotiations with the Pakistan Tehreek-e-Insaf (PTI) on the Supreme Court’s directions. Party sources said the top leadership of the ruling Pakistan Muslim League-Nawaz (PML-N) and its allied parties along with their legal wizards were expected to participate in the meeting …