There are plenty of takes on the showdown between Texas Gov. Greg Abbott and President Joe Biden’s administration over the situation at the nation’s southern border. As always, some of these takes are good, some are bad. But why am I not surprised that arguably the worst take came from a man who — in spite of every reason for him to disappear from our public life — refuses to go away: former Democratic Rep. Beto O’Rourke? O’Rourke, as you may remember, was campaigning to be Texas’ governor during the 2022 midterms. Texans had other plans, handing the Republican Abbott a third term by a margi…