his heart. the pictures were taken of the arteries that supply blood to the heart and of the four bypass grafts that he had six years ago. one of the bypass grafts was completely blocked. and because of that, and the fact that he was having repetitive symptoms at rest, he was treated with two stents that were placed into the -- his own coronary artery. the procedure went very smoothly. president clinton has since been up and walking around and visiting with his family. he's in good spirits and we hope to have him go home tomorrow. >> in terms of the history here our nation's 42nd president mr. clinton underwent quadruple bypass surgery at the same hospital from which the physician was speaking in 2004. mr. clinton required another operation six months after that bypass due to a somewhat rare