ISLAMABAD: National Security Advisor Dr Moeed Yusuf has said that abandoning Afghanistan by the international community once again will be a mistake.He was delivering the keynote address at an international webinar, organised by the Centre for Aerospace & Security Studies here on the ‘Future of Afghanistan and Regional Stability: Challenges, Opportunities & Way Forward’.Dr Moeed said the world needs to constructively engage Afghan Taliban in order to prevent governance collapse and avert...