All right, for the first time in more than a decade, there's going to be NHL players back at the Olympics. Sochi 2014 was the last time we saw them. And things have changed for the NHL players at these Olympics.The biggest change involving the rink itself. So, this is an NHL rink right here. And this is what is normally used for a rink in international competition.You can see the NHL rink. It's narrower, much narrower, more than 13 feet than the international rink. And it is a little bit longer.Now, let me ...