Are You Crazy, Stupid, Ignorant, or Just Cognitively Biased?

The world is full of people who hold whacky views. This doesn't make them nuts or stupid. We can mock Donald Trump for being a birther, but this doesn't make him a crazy person. We can ridicule Senator James Inhofe for believing that global warming is a big hoax cooked up by a cabal of climate scientists, but this doesn't make him an idiot. We can laugh at Bill Maher for his anti-vaccine and anti-GMO tirades, but this doesn't make him an anti-science loon. Similarly, with respect to where people stand on some issues or who they vote for, we shouldn't assume that intelligence or lack of information are major factors. Some of you may recall this now infamous Daily Mirror cover that appeared in the UK after George Bush's reelection in 2004: