Warren BuffettWarren Buffett was on CBS Sunday Morning. The interviewer, Rebecca Jarvis, asked if he owned an iPhone. No. iPad? No. “He prefers books,” she said in an admiring way, “and reads avidly.” As if electronic books don’t exist! As if millions of Americans are not downloading e-books to iPhones, iPads and other devices! As if a young Buffett today wouldn’t love to read scads of library e-books each year! No, I won’t beat up on either Buffett or Ms. Jarvis, given people’s varying tastes in reading formats. In fact, for retirement purposes, I’m a small shareholder in Berkshire Hathaway, Buffett's company, and I trust his long-term judgment...