1: The year was 1934.  One of the largest and most successful attempts at wide-scale habit change was about to begin.

Bill Wilson, a thirty-nine year old alcoholic, sat in a dreary basement on the Lower East Side of New York City.  He was drinking three bottles of booze a day.  His marriage was falling apart.  His career was at a dead end, Charles Duhigg writes in The Power of Habit… continue reading