The 4 January 2016 marked five years since the Punjab governor Salman Taseer was killed by a member of his own security detail in a popular market in Pakistan’s capital city. His self-confessed assassin, 26-year-old Mumtaz Qadri, told interrogators he had killed the governor for his calls to reform Pakistan’s blasphemy law and for his support of the Christian woman, Asia Bibi, who was accused of — and ultimately sentenced to death for — blaspheming the Prophet Muhammed. Mr Qadri …