amy: with historian howard zinn. >> right. amy: freeing prisoners of war? >> yes, we brought home three flyers who had been captured and imprisoned. it was a kind of gesturere of peace in the midst of the war by the vietnamese, during the so-called tet holiday, which was traditionally a time of reunion of families, and so they wanted these f flyes to be reunited with their families. amy: in catonsville, was this the first time you were breaking the laws of the united states? >> no, i had been at the pentagon in 1967 -- i think it was in october. and a great number of us were arrested after a warning from mcnamara to disperse. and we spent a couple of weeks i in jail. it was rather r rough. and we did a fast. and we were in the d.c. jajail, which h was a very mixed lot. so i had had a little bit of a taste during that prior year. amy: you and your brother, phil berrigan, had an unusual relationship with secretary of d defense mcnamara. you actulyly talkedd to him, wrote to him, met him? >> yes. i met him at a social evening with the kennedys in about 1965 an