Paul Tsongas is one of the stranger stars in the political sky. He is a telegenic disaster with a sophisticated message and an aversion to hardball. Unlike Bill Clinton, he enjoys almost anything more than shaking hands with strangers. Yet when he ended his crusade for the White House last week, Tsongas in his own weird way had accomplished a lot. He had moved the Democratic Party toward the economic center, where he thought it belonged. He had gained respect and departed with uncommon grace. He had even complimented the media.
Tsongas claimed at the beginning of his 11-month campaign that...