The mini-theme this week is: Podcasters. Here we go. Season 2 of Malcom Gladwell's "Revisionist History" podcast premiered this week. Each season has 10 episodes that are approximately 40 minutes long. Thus, Gladwell has recorded a total of 14 hours (rounded up) of podcasts. According to Gladwell's much discussed theory, how many more hours of podcasts will he need to record in order to become truly proficient at it?