Trump is right about American cars in Japan — but the situation is never going to change

American automakers sell almost no vehicles in Japan. But the Japanese market is relatively small and mature. US automakers want to focus their efforts instead on the rapidly growing Chinese market. President Trump made some controversial comments about the Japanese auto market while in the country over the weekend. The gist of it was that Trump thinks more American cars should be on sale in Japan. He has a point. As the New York times noted earlier this year, when Trump made...