21 Jump Streetsits atop the box office this week. It is a reboot of the late 1980's television hitabout cops going undercover in high schools. Turns out there are real-life police officers on the high school hallway beat, and, as Slate reporter Will Oremusuncovered, there are specific strategies these fresh-faced cops use to fit in and be accepted by the very teenagers they might be investigating. Word of Mouth's Taylor Quimby speaks to Will on the do's and don'ts.