If you're going to speak at a rally at a high profile rally with Rev. Al Sharpton on how the #BlackLivesMatter movement is peaceful, it's best not to wear that same outfit when lighting a convenience store on fire. KSDK reported that Joshua Williams, an 19-year old #BlackLivesMatter activist was arrested last December and pleaded guilty to charges of arson, stealing, and 2nd degree burglary. He was sentenced to 8 years in prison on December 10. Williams was a prominent figure in the #BlackLivesMatter movement in Ferguson, Mo. MSNBC did a wonderful profile of Williams portraying him as an example...