Garrosh is having troubles on the home front, as shown in these spoiler-filled sound clips from the Cataclysm beta. They also have a bit of expository dialogue from Sylvanas from quests in Gilneas and Silverpine.
More after the break.
World of Warcraft: Cataclysm will destroy Azeroth as we know it. Nothing will be the same. In WoW.com's Guide to Cataclysm you can find out everything you need to know about WoW's third expansion. From goblins and worgen to mastery and guild changes, it's all there for your cataclysmic enjoyment.