Lance Armstrong is only the latest public figure forced to make public and sometimes painful confessions.
After years of denial, seven-time Tour de France champion Lance Armstrong confessed to doping this week in an interview with Oprah Winfrey. But he's only the latest in a long line of athletes, celebrities and powerful politicians forced to make public and sometimes painful confessions.
Summer means road trips, and it seems everyone has a tip on how to save fuel. But which are fact and which are fiction? Take this quiz to find out.