Don't mention nukes: South Koreans learn how to talk to the enemy

In the presence of guests, do not refer to their leader, Kim Jong Un, by name. Don't even point at badges depicting the North's former leaders which are pinned to every North Korean visitor's chest

When a hotel on South Korea’s east coast was asked at short notice to host nearly 280 North Korean visitors, the problem wasn’t finding enough rooms.
 
It was to learn how not to offend them.
 
Within days of the request, the roughly 150 staff of the four-star Inje Speedium Hotel & Resort were attending sessions on North Korean words and manners, one of which was taught by a professor who used to teach defectors from the North.
 
Their guests, who checked in on Wednesday, are North Korean cheerleaders who have come to perform at the winter Games