U.S. President Joe Biden has been busy in Europe this past week and the results are a mixed bag of tricks. Boeing-Airbus Dispute: The two sides will withdraw punitive tariffs on each other’s goods for five years. Tariffs are generally bad and this is an especially good deal for the EU since it faced 87 percent more punishment from the U.S. than it could impose on American goods. The commitment to find a legal solution to the dispute rings hollow since the two sides have failed at that chore for the past 17 years. The real focus is on a joint industrial policy to beat China at large aircraft manufacturing. An effort to develop global disciplines on aircraft subsidies likely gets blocked by China. An especially silly agreement is that...