LPC Noob 4bonhoffer voted for "the insane one", Joe Tapioca Biden 4 times, not counting OhBummer's Presidency.
As for "dumb", Trump got a Masters degree at a pre-grade-inflation Ivy League university, successfully moved his father's business from residential housing management to high-end hospitality and recreation management, and increased the value of that business by a couple orders of magnitude*.
* Should I explain, for the sake of DU onlookers what an "order of magnitude" is?