Becoming Leonardo

"While Leonardo Da Vinci is one of the most discussed artists of all time, it's shocking how little is actually known about him -- at least, according to most of his biographies. Why did he leave so many projects uncompleted? Why did a seeming peace-lover volunteer to create war machines for the Borgias? Why did he always take the Mona Lisa with him, whereever he went? Didn't he have any friends? Was he really at war with Michaelangelo? Was he gay? And why did he flee to France seemingly, to die? In fact much is known about Leonardo, but modern scholars and biographers have routinely avoided…