Facebook isn't deleting the fake Pelosi video. Should it?

SAN FRANCISCO (AP) — When a doctored video of House Speaker Nancy Pelosi — one altered to show the Democratic leader slurring her words — began making the rounds on Facebook last week, the social network didn't take it down. Instead, it "downranked" the video, a behind-the-scenes move intended to limit its spread.That outraged some people who believe Facebook should do more to clamp down on misinformation. Pelosi derided Facebook Wednesday for not taking down the video even tho