The US president would have us believe the vexed issue of transgender participation in sport has been solved with one pen stroke. But the IOC and LA 2028 organisers didn’t sign up for any of it.

1775: Angelo Braschi is chosen as Pope Pius VI. 1804: New Jersey becomes the last northern state to abolish slavery. 1852: Great Ormond St Hospital for Sick Children in London admits its first patient ...