 From NPR and WBUR, I'm Deepa Fernandes in Alameda, California. I'm Celeste Headley in Washington, D.C. It's Here and Now. Most of us know about and use Wikipedia. It's the online encyclopedia edited by average citizens and experts. And while it can be incredibly useful, most of us know it's not always completely trustworthy. One self-described conservative decided it was so biased against right-wing ideology that he created a rival,