One of the sharp parallels is that neither Vietnam nor Iraq was the slightest threat to America's national security.
It is not patriotic to commit young Americans to war unless our national security clearly requires it.
It's a tough thing, to know what to do about a war that deep in your gut you feel is wrong and yet watch your peers going off to fight in that war.
Well, we ought to be stirred, even to tears, by society's ills.
There is a strong tendency in the United States to rally round the flag and their troops, no matter how mistaken the war.
I make one pledge above all others - to seek and speak the truth with all the resources of mind and spirit I command.