In my childhood one of the lessons I had to learn the hard way—and repeatedly—is that coming down is almost always more difficult than going up. Whether I was scaling a tall tree, climbing rocks or racing to the top of a ladder, the descent seemed both harder and more nerve-wracking than the ascent.
I have found this year's Republican primaries fascinating,
particularly the shifting fortunes of the candidates. While Mitt Romney has
been more or less the frontrunner of his ambivalent party, the rest of the
field has been one crazy jumble of surges and falls from grace. It's political
spectacle at its most interesting, if not necessarily its best.
Ever since I was a kid, I've been intrigued by gestalt pictures. These intriguing pictures contain two images, but the viewer can see only one of them at a time; as one comes to the foreground, the other recedes into the background. In one famous picture I can see either two faces or a candlestick. In another one, I can see either a young woman