Yes, we know that beaming microwaves at people can have harmful effects.
However, it simply does not follow that we can assume microwaves can be used for “mind control”.
My point was to demonstrate that there are operative and proven ways to alter human brain activity by use of energy or pharmaceutical means. Couple that with a Handler who knows his or her stuff, and you can create a person who acts out the way you want. This isn't really disputed in the intelligence community. This is a known fact.
Really, the only question is whether Obama would use this for his ends, and would it remain under wraps if he did.