LAHORE: Like most political parties, the Pakistan Tehreek Insaf has also encountered desertions and unfaithfulness from its once-trusted lieutenants in testing times on multiple occasions in recent years.Pakistan’s turbulent political history is littered with precedents where people opted to jump off sinking ships sailing against the tide.For example, in April 2018, PTI Chief Imran Khan had announced that his party would issue show-cause notices to 20 lawmakers accused of being involved in...