I am terrified of heights. More precisely, I am deathly afraid of falling from a high place. Getting up on the roof is pretty easy and I like the view. Getting on the ladder to come down, on the other hand, has been known to freeze me in place for many minutes of terror, indecision, and cold sweat. Oddly, the flip side of this terror is that I’ve never been able to stand at a high place without an impulse…