Well, we who are awaiting the Apple announcement on Tuesday will also, along with everyone else, be able to see if we are going to war. If I were cynical, I would say that Obama wanted to defuse the issue by giving his speech on the same day as Apple’s in order to ease the pain his speech.
In reality, but not nearly as fun as conspiracy theories, the timing is probably due to the G20 summit, and not wanting to announce anything on 9/11.