Thanksgiving is one of the busiest travel holidays in America. More than 50 million people are expected to hit the road. When traveling during busy periods likeThanksgiving, you need to be more aware of safety risks. Scammers are more likely to take advantage of the large crowds looking for deals. Nick Shapiro, Global Head of Trust and Risk Management at AirBnB, shares his top safety tips for holiday travel. He says you need to be especially aware when you are in line at the airport. Shapiro is the former CIA Deputy Chief of Staff. He also walks us through the steps Americans should take when traveling abroad.