Have you ever actually laughed at a knock-knock joke? Me neither. Yet they still get told over and over again for some reason. Here are what we think are either the best or worst knock-knock jokes around. Warning: These are so bad, you might end up punching a wall.
Valery Zaluzhny, the former military Commander-in-Chief of Ukraine, believes that World War 3 has begun. He was ousted earlier this…