I've personally got tired of the stupid news screen that pops up, whenever you launch WoW, so I figured out a solution to skip this screen and get directly to WoW.
How to do it:
Go into your WoW folder. Exmaple: C:\Programmer\World of Warcraft
Now, you can see two icons of WoW. On of them is named Launcher and the other one is named WoW. Right click on the one named WoW, than click on "Create Shortcut" I believe thats what its called on english
After that, another copy of World of Warcraft is made in your folder. Now, take the shortcut you made, right click on it, click on "Cut".
Now, go to your desktop, delete the other shortcut of World of Warcraft (the one you used before you read this guide ) and paste in the one you pressed "Cut" on before. Now, name it whatever you want, since it might be named: Shortcut to WoW - that aint nice, so we change it to: World of Warcraft.
Now, press on World of Warcraft (the one you just made) and World of Warcraft will be launched without the screen of news
Simple and easy.