One of my favorite candidates in the 2020 race for the Democratic nomination has just announced that he is running for high office once again in 2022. He is Beto O'Rourke, and he is one of the great innovators in recent American politics. Of course, he is one of the great losers in recent American politics, too, having lost in 2018 to Sen. Ted Cruz and, two years later, having lost in his run for the Democratic presidential nomination. He bowed out of the race before it began. How many millions of dollars he cost his backers I would not...