We like bikes. We like non profits that work to end violence against women. Sometimes we like Yelp, although Yelpers don't always like us. But there was something about today's Weekly Yelp (an email newsletter sent to those who subscribe that's also posted on the site) that smacked of PR gone awry. Apparently, others thought the same thing, as when we checked back at the Web site today, a questionable headline had been changed.The newsletters are always a round-up of favorably Yelped business an