For those of us who are not ultrawealthy or elected officials, there's no escaping the TSA's new, more stringent security measures. But that doesn't mean there aren't steps fliers can take to hang onto a few shreds of their dignity. In fact, the TSA's own rules--and a few ways of bending those rules--can get you through an airport's checkpoint with the least invasive probing possible, of either the electronic or manual variety