I know the popular saying is: Touch grass. But I, allergic to grass pollen, tend to enjoy going to see some trees. (Okay, fine, I'm allergic to tree pollen too. But I don't touch the trees. I just admire them.) The beauty of a three day weekend is you have time to get some chores done, get some baking done, watch an absolute crapton of sports (tennis, and a dash of soccer), and also go for a long walk. We should do these all the time. I know there's a country in Europe trying it, and I am all for...