2 New TV Documentaries This Week: Flint, D. Rodman

Brian Lowry writes: Two notable documentaries to put on the radar this week, both premiering on Tuesday: “Flint’s Deadly Water,” a “Frontline” examination about the roots and impact of the city’s water crisis; and “Rodman: For Better or Worse,” a look at how colorful former NBA star Dennis Rodman transformed himself into a media superstar (and improbable advocate for Kim Jong Un), the latest entry under ESPN’s “30 for 30” banner…