Who's behind those tags in D.C.'s bike lanes? And why does she want you to smile?

You’d notice them at reds as you braked at the mouth of an intersection. You’d look down, perhaps as you began to creep into the crosswalk, and spy the Day-Glo words on the asphalt: “Make Us Bicyclists Look Good.” And then, maybe, you’d stay put, waiting for that green. Read more.