Tesla (NASDAQ: TSLA) is, arguably, the quintissential story stock. I know, I know… that’s not exactly a revelation at this point. Elon Musk set out to create a world powered by renewable energy and filled with electric vehicles, told us about how great it would be, made it sexy, and now we can’t get enough of the vision. But it has its drawbacks — such as having an impossible-to-justify valuation.