Even if it's true that the Halo franchise is on a downward trajectory (which doesn't seem likely from the Halo: Reach sales figures), it's still the biggest first party franchise there is in the US.
If they've been planning all along to have Halo 4 on the next console, no wonder we've hardly heard about it.
If they've been planning all along to have Halo 4 on the next console, no wonder we've hardly heard about it.