ONLY a few days ago they were fighting hard for the Democratic presidential nomination, but on Friday Senator John Kerry and General Wesley Clark arrived in Wisconsin to shower each other with praise. The front-running Massachusetts senator was “the right character to bring America forward”, Clark told cheering students in Madison. “He will stand up to the Republican attack dogs and send them home licking their wounds.” Kerry was equally generous. Clark had shown “great selflessness and great courage” by ending his campaign and offering his support to a former rival. It was exactly the display of solidarity that many...