He was accosted at the gate by some kind of radio reporter, who started hysterically screeching at him about the poor Vietnamese who had lost their lives in the US bombings, and a few other accusations of that sort. After about a minute of nonstop ranting, the young reporter finally paused and gave Kissinger a chance to reply.
Kissinger's only response was to say, in that heavily German-accented, deep voice of his, "You are a very charming boy."
I was 18 or so at the time I heard this exchange, and it didn't alter my opinion of the Viet Nam War. But it did add to my growing sense of the difference between the personalities on each side.