Of the many things The Flash has done well, let's focus this week on the show's skillful, carefully developed use of former Ed star Tom Cavanagh, who is being introduced to a new audience here as Dr. Wells. You count on Cavanagh to bring an unforced charm to every role; what's he's added for Flash is a new layer of ambiguous, mature malevolence, blended so well that you may still not be absolutely convinced that Dr. Wells is as evil as he now seems. So is he? We may get closer to the truth tonight, as Joe and Cisco head to Starling City to seek answers about the mysterious doctor.
With its open expanse to our Capitol, The National Mall in Washington, D.C. provides a potent visual symbol of our democracy, a pathway we use both as playground and protest ground. But it wasn't always so, as this National Geographic-produced special explains.