THIS is not just about the decision of the president of the United States. That is, however, a good place to begin. On Sunday, President Joe Biden decided to forego competing for elections for a second term. Beyond the political strategising, it is a bizarre decision. Here you have a situation where a man elected to the most powerful position in the world, who commands the world’s largest and most advanced military and the world’s largest economy, has voluntarily relinquished the possibility of doing it again for another four years.