Egypt's leader, Abdel Fattah al-Sisi, vows to fight fire with fire in a week marked by a high-profile political assassination in Cairo and a bold attack by IS group-affiliated militants in the north Sinai. This was followed by the lightning-fast passage of new legislation to speed up court cases against dissidents. How effective are Sisi's policies? And what stance should Sinai neighbour Israel and Western backers take?
