PLAYING WITH FIRE Mike Cavanaugh was a firefighter; it was his job to rescue people. Though inviting them home wasn't usually part of the job description. But when he pulled Christine Palmer out of her burning house, something about the gutsy single mom made him want to protect her, to make her life a little better. Only somehow Chris and her family ended up giving Mike's life new meaning, and he was happier than he'd been in years. But...