(Right: Me leaning against a column looking like Jane Velez-Mitchell is pointing me out, outside the OC Courthouse on the Casey Anthony line. She wasn't.) I wrote Crazy Little Thing: Why Love and Sex Drive Us Mad partly because I'm endlessly intrigued by what keeps some people away from the edge while others go over it. Craziness, it's triggers and components, can always be closer than we think...not sweet, endearing "Your so crazy!" crazy but lost it, out-to-lunch, Screw-Loose-LaTrek, dropped neuro-stitch crazy, the kind where people are often just functional enough to keep up appearances...until one day something goes horribly, horribly wrong. The Casey Anthony murder trial is not about a crime of passion, but it is a pu pu platter of crazy - everyone connected to it either started out crazy or could sadly be driven mad by its Sophoclean weight- and since it's going on so close to my house I thought I'd try to get in. The anarchi