We've got McDonald's earnings today and the company is not painting the rosiest picture of the economy. Mickey D is saying that Americans are cutting back, especially younger Americans. And they are not alone.Cava also slashing its sales forecast again. And brands from Coca-Cola to Chipotle, Brian's favorite, say that they're seeing the same thing. A widening gap between customers who are trading down and those who don't have to.The wealthy are spending, but the working class is trimming their value meals. ...