Washington remains on edge in anticipation of Robert Mueller's final report on Russian meddling in the 2016 presidential election. Trump adviser Roger Stone appears in court to face questions about an Instagram post which included a photo of a judge next to crosshairs. New England Patriots owner Robert Kraft faces charges of soliciting a prostitute at a Florida spa. Plus -- President Trump prepares for his upcoming summit with North Korea's Kim Jong-un. CBS News Correspondent Steve Dorsey will have these stories and more on the CBS News Weekend Roundup.