[MSNBC gossip columnist Jeanette Walls reports that people shouldn't be upset if Donald Trump refuses to shake their hand. Seems the real estate mogul thinks it's unsanitary, and wishes Americans would bow to each other.] While I'm not a huge fan of Japan, I do like their custom of bowing, ... I would do whatever is necessary not to shake hands. From now on, let's do what the Japanese do and greet each other with a nice civil, sanitary bow. Donald Trump