Exclusive - Dissident commanders meet to choose rival Afghan Taliban leader

By Jibran Ahmad PESHAWAR, Pakistan (Reuters) - Weeks after the Afghan Taliban's biggest battlefield success since 2001, dissident commanders unhappy with their new leader Mullah Akhtar Mohammad Mansour are meeting to choose a rival, they told Reuters on Tuesday. A leadership battle within the Taliban could create space for militants loyal to Islamic State to expand their foothold in the region, and could discourage Mansour from resuming Pakistan-backed peace talks with the Afghan government. Afg