A US high school won't let Bryce Maine choose his grandmother as prom date, because anyone over 20 is considered a threat to the graduating students' safety.

Remember when teenagers said not to trust anyone over 30? Now the school says not to trust anyone over 20.

Senior prom is one of those occasions on which people are pressured to waste their money on foolish luxuries. Do you actually need to spend that money to discover that it isn't important?