Such as the difference between economic and political systems?
And who has gone nuts whenever he sees a course in Islam taught in college?
Wow.
Timothy Leary, of LSD fame, did some very interesting research before he went 'round the bend. Leary levels, they were called. If I remember correctly, they were -
1: How we see ourselves.
2: How others see us.
3: How we think others see us.
And so on. Was great work while he did it. Illuminating.
Arf