For at least two decades American politics have been thawing. That 15 million voters now call themselves independents is one sign of the new fluidity. Less evident and equally important is the spirit of independence inside the parties. When Mr. Republican Taft and Mr. Democrat Truman were beaten on the same day last week in New Hampshire primaries, it was dramatically apparent that party hierarchies and organizations had lost some of their oldtime muscle.
The New Hampshire result raised the question of how the two victors stack up against each other. A nationwide Gallup Poll published just before the New Hampshire...