He was upset because <span>his horse could not swim
It is a play on words because water polo is understood as polo that is played in water instead of waterpolo which is a swimming sport. Therefore, he tried to play polo in water instead of waterpolo, and his horse couldn't swim and you can't play polo without a horse.</span>
Did you hear about the novice water polo player who was upset because..... his horse could not swim.
Explanation:
It is a play on words because water polo is understood as polo that is played in water instead of water polo which is a swimming sport. Some people get these 2 sports mixed. Polo, you ride on a horse, and you hit a ball with a stick. Water polo, you play in a body of water, and you swim, you hit people with your arms (as long as the ref doesn't see!)
Members of the White House press corps were told to leave the White House grounds by Secret Service personnel while a demonstration was taking place in Lafayette Square.