WANTED: NANNY MUST BE GOOD WITH WET WIPES AND GUNS. Lacey Miles becomes the unexpected sole guardian of her young niece. Knee-deep into an investigation of a sleeper cell, Lacey finds that motherhood is a lot more perilous than she expected, so she hires a nanny with an impeccable r sum ...who's a far cry from Mary Poppins. Beneath his friendly demeanor, Jim Mercer is a former Marine turned undercover agent, tasked with ferreting out the terrorists...