DEBKA does not have a good reputation for reliability, so I won’t hold my breath.
sadly, you answered the question I knew I had the answer for...
One note. If this were to be true and we scratched both bad guys, the pressure from the Dems to not only leave Iraq, but end the GWOT would be enormous. From an Israeli viewpoint that might not be a bad thing as it may free them from any U.S. constraints on their operations.