Four police officers who chased and tackled a knife-wielding terrorist unarmed in Reading are to be recognised for their bravery. History teacher James Furlong, 36, scientist David Wails, 49, and Joseph Ritchie-Bennett, 39, who worked for a pharmaceutical company, were murdered in Forbury Gardens on June 20 last year. PC James Packman, Sergeant Iain Watkinson,…