Kimberly,Please. I'm desperate to get in touch with you. Please call me as soon as you read this. It's your father. He's had a heart attack and he is near death.

Kimberly stared at the email for several seconds before panic set in. She scrambled for a piece of paper and a pen, then quickly wrote down the phone number. When she had it, she ran into the control room and picked up the phone.

"Please enter your authorization code"

The computerized voice confused her. She punched in ...