Could the British Iraq inquiry effect US politicians and military commanders the same as it will effect British politicians and Commanders?

If the inquiry will release the correspondence between Tony Blair and George Bush before the joint US-UK invasion if it will incriminate up to 30 UK politicians and military commanders could it also mean they're US counterparts may be charged if evidence against them could also be found. Bear in mind that Tony Blair could be facing charges as a war criminal could Bush be facing the same