This is The Takeaway from today's Morning Brief, which you can receive in your inbox every Monday to Friday by 6:30 a.m. ET along with: The chart of the day What we're watching What we're reading Economic data releases and earnings Subscribe here. The bar is set pretty high for Tesla's earnings out after the close today. Why do I say that? It's really quite simple, actually. Shares of the EV maker have surged 70% off the Jan. 3 lows on the basic premise that Tesla's profit margins will stay strong in the face of repeated price cuts that began...