What should we make of the video above where Kris Letang cross-checks an NHL official? As the linesman comes in to separate two players after an icing call, he brushes past Letang and shifts him out of his way. The Pittsburgh defenseman appears to take offense and gives the official a light cross-check in the side.
Some fans are clamoring for Letang to receive some sort of discipline for striking an official. The evidence is there and it's pretty incriminating. You have to imagine that the official would have immediately done something about the situation had he truly felt threatened. Perhaps the official wasn't aware of what actually happened which would explain his lack of a reaction. However, you have to imagine the NHL would be aware of this situation and address it.
Regardless, rule #40 in the NHL rule book states:
Any player who deliberately applies physical force to an official in any manner, which physical force is applied without intent to injure, or who spits on a...