Public speaking is tough.
Be it at a conference, or during a company meeting, or in your car trying to persuade the cop not to ticket you for going three times the speed limit while streaming an episode of The Maury Povich Show on your iPad, talking in front of other people can be an intimidating experience.

That Saturday morning in 1991, Pennefather drove her Mazda 323 to the Monastery of the Poor Clares in Alexandria, Virginia. She loved to drive. Fifteen cloistered nuns waited for her in two lines, their smiles radiant.

She turned to her family.

"I love you all," she said.

The door closed, and Shelly Pennefather was gone.