I used to do Tier 3 support for Blackberry for Barclays. AFAIK (and my knowledge is 3 1/2 years out of date) the encryption on the devices themselves...
I can't say I blame them, we've been assured that this data is being used to target terrorist's. Apparently everyone in the world apart from a couple...
Not sure why people keep going back to Bush here... Sure he "started" it but Obama has both carried on and expanded a lot of Bush policies. At least...