Poll Context: Liberals across social media became oddly quiet Thursday evening after it was learned that a mass shooting in Kansas, which took the lives of three and injured as many as 16, was carried out by a black male. Before that Twitter was alive with tweets about another white mass killer. Al Sharpton was probably salivating over the prospect of blaming whites for more black deaths while Obama was probably working on the next Gun Control Executive Order. But then the suspect turned out to be black and it all went quiet. Why do you think that was?