Does the single-dad billionaire want to pay me to take care of his daughter's needs or to satisfy his own dark desires? AMY LYNN BECK:Saying that life has dealt me a lousy hand would be an understatement. I barely escaped an abusive ex-husband, only to end up starting over in a crappy apartment with a crappy job.And now I've been dealt a good hand for once.I'm to become the live-in nanny to the daughter of Jackson Ritter, the rich, hunky best-selling...