ISLAMABAD: Prime Minister Shehbaz Sharif has paid glowing tribute to slain Pakistan Peoples Party (PPP) chairperson Benazir Bhutto on her 69th birth anniversary. In a tweet on Tuesday, the prime minister said Pakistan’s democracy is poorer without Shaheed Mohtarama Benazir Bhutto and the void left by her martyrdom will never be filled. “Our democracy is poorer without her & the