Cruz and Kasich form an alliance: Is that fair?

It’s one thing for campaign strategists to dream up a divide-states-and-conquer plan on a conference call. It’s quite another for actual voters to agree. Ted Cruz and John Kasich have struck a non-aggression pact in an attempt to block Donald Trump from winning the GOP presidential nomination. Is that a fair way to play politics?

The answer to that question depends heavily on what one thinks about the role parties and their organizations should play in today’s American democracy....