The question isn't whether you can trust him like a very mentally healthy person. He clearly has to have some level of severe mental illness to get support as a politician in the US. The question is whether you can "trust" him like the slightly less insane person than the others at the mental hospital.
Not "does his brain work good" just "does his brain at least kinda work."
So far looks like an Obama sequel or something. Not giving up hope yet but it looks pretty bad