An ongoing controversy about an alleged Tesla door design flaw got two new wrinkles this week, as troubling, who-knew-what-and-when questions about vehicle door handles began to swirl, along with a fresh federal investigation triggered by a harrowing complaint letter.
As part of a months-long investigation byBloomberg, a project timed to coincide with high profile inquiries from the National Highway Traffic Safety Administration, the news outlet reported on Monday that Tesla founder…