Let the Games begin? Why Kim Jong Un might be interested

With little time to spare, North and South Korea are preparing to hash out Kim Jong Un's offer to send a delegation to next month's Pyeongchang Winter Olympics.Skeptics are calling the offer, floated by Kim during his annual televised New Year's address, a cynical tactic to drive a wedge between Washington and Seoul, while optimists see it as a sign of hope that Kim has decided to dial back his defiance and come in from the cold.The answer probably lies somewhere in between.But why, after a year