Everyone's acting that way because he can stop it, all by himself. And should. And hasn't. And HAS made a veto threat to protect the deal...one of the strongest--and only--veto threats he's ever made.
As to 'looking it up,' see here for more info on the CFIUS. What a joke.
No, it is people like you that are a joke, if you weren't so scary. You don't know anything except what a one paragraph manipulative press release tells you. You are a complete pawn.