Waterboarding is just the latest euphemism for an ancient method of torture. It was invented by the nice and friendly interrogators of the Spanish Inquisition. They called it tortura del agua - water torture, a much more fitting name for it I think. Those of you who think that water torture "causes no permanent or lasting injury" are sadly mistaken and a bit dim if I may be so bold. Water torture can cause lasting physical and psychological damage, and even death. The terror of imminent death is pervasive, with all of the physiologic and psychological responses expected, including an intense stress response, manifested by rapid heart beat and gasping for breath. There is a real risk of death from actually drowning or suffering a heart attack or damage to the lungs from inhalation of water. Long term effects include panic attacks, depression and PTSD.
Waterboarding has been used by the European colonial powers, the Soviets, the Nazis, the North Vietnamese, the Khmer Rouge, the Pinochet regime in Chile, the Japanese in WWII, the Red Chinese, The North Koreans and just about every other evil and brutal regime in modern history. Don't fool yourselves by giving it a new name and not calling it torture. If you really want America to be associated with evildoers and terror regimes then go right ahead. To more and more people around the world the American flag no longer stands for freedom or justice. Several European courts have already ruled that US prisons and treatment of prisoners do not meet the minimum of human rights and thus refuse extradition of prisoners to America.
Is this the way you want the world to think of America? The Stars and Stripes flying next to the Swastika and Hammer and Sickle in the annals of history? I sure don't.