Terrorist sympathiser Waris Ali is said to have angered teachers and fellow pupils with his radical views. And he even allegedly asked librarians and a policeman how much potentially lethal fertiliser he could keep at home before it was illegal under anti-terror laws. Ali, now 18, denies three charges of possessing articles for terrorist purposes, namely a copy of the Anarchists' Cookbook, 3.5kg of potassium nitrate and a quantity of calcium chloride. His co-accused Dabeer Hussain, also 18, denies one count of possessing the cookbook, which lists how to make lethal bombs. The schoolboys attended Westborough High School, in Dewsbury,...