News Forum does not immediately get created on the course when the course is created. You must post in the Latest News block and the forum appears.
Please Note: I am unsure if this is new functionality or a bug
Create Course - No News Forum
Go to Latest News Block
Post a News Item
News forum link appears on course Topic 0
Hiding the Latest News block is preventing News Forums from appearing at all on new courses or those that have unused news forums.
MDL-26707 missing News forum - it doesn't appear if latest news block is missing in new courses