Today’s stock pick is inspired by a few good articles I’ve read lately: two about very good businesses, and one about a bad business. Let’s start with the bad news: Borders is going out of business. According to most sources, Borders simply couldn’t compete with Amazon.com (AMZN) and other online book retailers. The company’s own announcement of its decision to liquidate cited three “headwinds” that led to its demise: “the rapidly changing book industry, eReader revolution and turbulent economy.” But there had to be another problem as well: Barnes & Noble (BKS) is facing all those same challenges, and...