From what source?
From half the internet? Robert Kotick (Activision CEO) is basically the Stalin of the video game industry.
Today is a good day
Bungie makes good games. Microsoft will get
other companies to make games in the Halo universe, with no guarantee they'll be good.
Something is telling me that Microsoft forced them to not release any game for PS3, and when this is over, they will start.
Microsoft owns the rights to the Halo franchise. They say what the game developers are allowed to do; releasing their flagship game on the competitor's console isn't going to happen.