Radicals in the HeartlandIn 1969, the campus tumult that defined the Sixties reached a flash point at the University of Illinois. Out of town radicals preached armed revolution. Students took to the streets and fought police and National Guardsmen. Firebombs were planted in lecture halls while explosions rocked a federal building on one side of town and a recruiting office on the other. Across the state, the powers that be expressed shock that such events could take place at