Are we talking actual raw intelligence? Or Atlas Intelligence, a basis of whether or not their social-issue panties are ruffled by the candidates views? If the former..
1. Ted Cruz
2. Ben Carson
3. Bobby Jindal
4. Carly Fiorina
5. Hillary Clinton
6. Rand Paul
7. George Pataki
8. Marco Rubio
9. Jeb Bush
10. John Kasich
11. Bernie Sanders
12. Rick Santorum
13. Chris Christie
14. Lindsay Graham
15. Martin O'Malley
16. Jim Gilmore
17. Mike Huckabee
18. Donald Trump
How is Trump the dumbest? I don't understand that at all.