ISLAMABAD: President Asif Ali Zardari and Prime Minister Shehbaz Sharif extended their heartfelt greetings to the nation on the occasion of Eidul Fitr, state-run Radio Pakistan reported on Monday. In their separate messages, they emphasised that this day teaches lessons of joy, gratitude, brotherhood, and compassion. President Zardari said Eidul Fitr teaches the importance of unity and solidarity, encouraging everyone …