Leonard Lopate is back! He’ll look at how a U.S. Attorney was able to unravel a major Colombian cocaine trafficking cartel. Travel writer Colin Thubron tells about his journey to a holy mountain in Tibet. Nayana Currimbhoy talks about her new novel Miss Timmins’ School for Girls, about life at British boarding school in the hills of western India. Plus, Amy Cortese explains why she thinks investors should put their money behind the corner store instead of investing in Wall Street financial institutions.