Do you think leading questions are a bad idea?

I find myself constantly thinking of questions like this one, that can be answered with a yes or a no. Technically, that’s verboten here, and of course, I don’t really want a yes or no answer. I want people to elaborate.

Having said this, I’m sure I will only get yes or no answers. What do you think? How do you write a question so that people will be encouraged to elaborate while still getting quickly to the heart of the issue?