by Jean-Louis Gassée Applied to his new venture, there’s a risk in the formula that has worked so well for Elon Musk. Unfortunately for him, Twitter isn’t like Tesla. Politics, reputation, and personality play a much bigger and more direct role at a social media platform than in selling electric cars. Can Twitter survive Musk’s character? After three weeks on the road (New Orleans, NYC, Paris and Montpellier), I’m happily back at my writing station. The biggest tech news while I was on the road was, of course, the purchase of Twitter by Elon Musk and a few associates such as Twitter co-founder…