It seems like everyone wants to be famous but some people have problems that stand in their way. We look at two physical conditions that could keep a person from singing beautifully for an audience of millions.
A Gallup poll of Americans found glossophobia - fear of public speaking - to be the most common phobia, beating out other bogeymen like needles, heights, thunderstorms, spiders, and flying. But why? And what can you do about it?