News report: On Tuesday, McCain's delegates at the West Virginia convention swung over to support Huckabee at the last minute in a successful maneuver designed to deprive Romney of a victory.

This convention tactic is as old as conventions. Abraham Lincoln's supporters employed it in Illinois in 1856. We can read about it in Doris Kearns Goodwin's excellent "Team of Rivals." She shows how Abraham Lincoln's political allies did exactly the same thing in Illinois in 1856. They knew Lincoln could not get the Senate nomination, so they threw their support to Orville Browning to block a rival. Lincoln got the support of that Senator Browning in his 1858 race against Steven Douglas.

We need to remember that politics ain't beanbag.