So my hope is, is that over time what we're going to see is further clarity and further cooperation between all the parties and all peoples of goodwill in the region to eradiate terrorist activity, to eradicate the kind of violent extremism that we've seen.

WHITEHOUSE: President Obama and Prime Minister Singh Press Conference

"The concussion suffered by James Harden demonstrates the danger posed by violent acts of this kind, particularly when they are directed at the head area, " said NBA Commissioner David Stern, to announce the suspension.

CNN: World Peace given 7-game suspension for elbow to the head

So is the fact that, while what Di Maria did was annoying and unsportsmanlike, it was neither violent, nor dangerous, nor cheating of the kind that gives one team a significant advantage.

WSJ: Angel Di Maria's Delay Tactics Leave Real Madrid Seeing Yellow��Gabriele Marcotti

It was this kind of violent and sudden volatility that caused the highly leveraged Long-Term Capital Management fund to require a bailout by Wall Street institutions in the fall of 1998.

FORBES: Dangers Abound In Hedge Fund Trading

Your body has just gone through kind of a little bit of a violent experience through the launch, and you have a little bit of adrenaline probably getting out of your system.

WHITEHOUSE: President Obama's call to the International Space Station