Except the Russians have been implicated by more than just the government, its been backed up by multiple independent internet security firms. Also, the Bush administration that supported the Iraq war has kinda been out of power for a while now.
Foreign policy continues to reveal events that occur not as they were originally described.
The real question "Are we certain enough to take actions that could lead to war?" because that is where are government is going with this. http://www.pbs.org/newshour/rundown/does-government-know-hac...