In addition to being a merge-as-soon-as-possible guy, I'm also a return-the-buggy-no-matter-what guy (buggy = shopping cart for my non-Deep South brethren). Such an approach makes it easy to tell how many jerks were at Walmart before me – simply count the uncorralled buggies. That's probably too harsh. I'm willing to knock "jerk" down to "lazy" if they at least left it at the Four Corners – the …