After a typically hectic working day in September, Jacquelyn Mitchard returned from her journalism job to her Madison, Wisconsin, house and found a phone message from Oprah Winfrey. Mitchard, a recently widowed mother of five, ages 1 to 21, did what any sensible person would do: she erased the obvious prank. "I have a friend who calls and says he's Richard Nixon," she explains. Two days later came another taped call from Oprah, followed by another erasure. Then a third, a day or so later, with the sign-off "This really is Oprah Winfrey."
Boy, was it ever. When Mitchard finally returned...