when i was the chief and hong kong for adc, bernie kalb was the bureau chief with cbs, and then in 1971 when i came back here to the united states as a diplomatic correspondent i was blessed to have margin as a competitor. as many of you in this room know, our friends tended to become people who have been our competitors because by definition we don't travel with others from our core network or why your service or newspaper. we only travel with competitors. but i'm especially grateful to have had the kalb brothers as competitors coming and we are going to begin before we get to marvin and depo with just a few words or i must say it was a tactical mistake to put a microphone and bernie kalb's hand. [laughter] once it is there it is going to be difficult to again. but -- [laughter] >> do i have a half-hour? >> no. [laughter] >> would you set the scene by reminding people in the audience who may not be old enough to remember how did we get so intricately involved in vietnam in the first place? >> i must begin by saying this is not a very heavy. i've got my dear brother, my niece and my fri