fourth straight day after the burning of a koran by the pastor of a small and some say fringe church in florida. today an afghanistan policeman shot and killed two nato soldiers on a training mission as hundreds of people were there and turned on the streets and blocked a main highway to kabul. more than 20 people have been killed since the protests began on friday with thousands of angry demonstrators attacking a u.n. building and murdering four armed guards and three staffers. the man at the center of this is the pastor terry jones who sparked a global outrage last year with threats of burning a koran. jones and his group recently held a mock trial and they found the koran guilty which led to the burning on march 20th. the u.s. commander in afghanistan, general david petraeus, condemned the burning in the strongest of terms saying it presents a security threat and endangers u.s. troops in afghanistan. daisy kahn is executive director of the american society for