Last week (8/21), Blizzard posted a great short story by Robert Brooks, Hellscream. This short story starts off a few days after the events of War Crimes.
Kairozdormu had advised him to expect a few strange discoveries. I've spent my life studying the timeways. If you try to count and compare blades of grass, you'll drive yourself mad, he had said. My plans require a few… favorable conditions, and we'll find them here. This is the perfect timeway for us. Not a perfect mirror image, but perfect nonetheless.Read the full story online here, or download the PDF.
I found the story shed light on a few items. I think you'll really enjoy getting some further insight into some of what is going on in before we show up in Draenor.