Sen. Arlen Specter, Pennsylvania Democrat, said part of the reason that he left the Republican Party last week was disillusionment with its health-care priorities, and suggested that had the Republicans taken a more moderate track, Jack Kemp may have won his battle with cancer. Mr. Specter, responding to a question from CBS' Bob Schieffer over whether he had let down Pennsylvanians who wanted a Republican to represent them, said he thought his priorities were more in line with those of the Democrats. "Well, I was sorry to disappoint many people. Frankly, I was disappointed that the Republican Party didn't want...