The Wall Street Journal's Scott McCartney writes today, that some of the nation's biggest airports are offering a new screening procedure by the Transportation Security Administration. For a $100 dollar fee, you can sign up for something called "Precheck," which takes all of your background information ahead of time. When you get to the airport, you can leave on your shoes and jacket, you don't have to take liquids out of your carry on and put them on the belt, and you needn't remove the laptop computer from its carrying case. You will still have to walk through the metal detector. As McCartney writes, there are certain...