“person of interest” (9 p.m., cbs): On “Person of Interest,” Reese (Jim

“person of interest” (9 p.m., cbs): On “Person of Interest,” Reese (Jim Caviezel) and Finch (Michael Emerson) are perplexed when their machine points to a 6-month-old baby as the next POI. Meanwhile, an old rival resurfaces.

tv listings: B6