Some days, it seems like the Twins are back to normal. Some days, it seems like the Twins will never win another baseball game. They're tough to figure out - which means we need to simplify things, down to the essence. We need to be able to look at a simple diagram and say, this, this is what's wrong here.
In the interest of accomplishing this, I've drawn some Venn diagrams that hopefully will help explain the problem.