The motivations of 49-year-old Floyd Ray Roseberry, the alleged would-be bomber in DC, aren’t exactly clear, but the videos he posted on social media were filled with typical right-wing talking points, including that the election had been stolen, that Joe Biden is not the legitimate president, and that illegal immigrants get health insurance. He also talked a lot about starting a revolution. A federal magistrate judge agreed to a 30-day delay last month after a court-appointed psychologist said Roseberry was diagnosed with bipolar disorder and needed further medical treatment. Roseberry…