Charles Johnson and Robert Stacy McCain
And that is the point. If you want to ruin someone's reputation, just keep posting the words "racist" in close proximity to their name on the internet so that web search engines associate the person and the accusation. That is what some people tried to do to Glenn Beck recently by making accusations of past criminal conduct in the form of a question for the very purpose of influencing Google and other search engines.
The false accusation of racism is a despicable tactic. It damages the person against whom it is made and the victims of true racism.