Does President Potato know that he can't just say VETO on Twitter and it's vetoed

Does he know there is a whole process involved?

I just want to make sure since we are still waiting for the wall that he hasn't been building and the executive order on college free speach


Uhh I pretty sure he knows. And thw wall... Is being built as we speak dumb dumb. And free speech. Is a God given right that constitutionally protected ....DUUHHHHHHH!!!!