Ryan Alberti had a pretty good idea what to expect when he signed up for the Web class jointly taught by Eckhart Tolle and Oprah Winfrey. He’d already listened to a CD of Tolle reading his books “The Power of Now” and “Stillness Speaks” and liked his simple, gentle way of speaking. “I think he’s really a genuine guy that has an ability to translate some spiritual things in a very down-to-earth way,” Alberti said. Alberti doesn’t watch Winfrey’s daily TV show, but his wife is a big fan and tells him about it. “Even though I haven’t seen (the...