I told myself I wasn’t going to look. But like a gruesome six-car pileup on the 405 when it finally came time for last week’s GOP debate in Houston, I peeked.At first it was just a quick glance. Then I stared, transfixed and horrified that one of those characters could actually be our next president. The herd has been thinned from the early days of the campaign when there were more candidates than voters. Undoubtedly the lineup will be trimmed again after 11...