Google's critics get a chance to vent today, using the invective of antitrust. A hearing of the Senate antitrust subcommittee is also something of a swan song for its retiring chairman, the estimable Herb Kohl.

Mr. Kohl has not always been especially fastidious in applying antitrust to the facts at hand. He once summoned Bush antitrust officials to rake them over the coals about a proposed merger of AirTran and Midwest Airlines, two small airlines, and decidedly not a case...