Even though statisticians report that more than 37 million Americans suffer from diagnosable social phobia, common sense suggests that nearly all of us have, at one time or another, had clammy palms and knocking knees because of an intimidating, uncomfortable social situation. The party where you donit know a single soul, the crowded lobby of a movie theatre, the presentation youive been dreading for weeks-any of these have the potential to ruin your...