The fanatical Donald Trump supporters who stormed the Capitol in January are facing an unexpected obstacle to their freedom: Trump himself. Trump’s refusal to accept the reality that he lost the 2020 election — reflected in a torrent of recent statements renewing discredited claims about a “rigged” vote — has become a feature of prosecutors’ latest attempts to jail Capitol riot defendants they deem too dangerous to release pending trial. Judges have started citing this argument — as part of broader analysis — in cases where they've decided to detain defendants for presenting a threat of future violence, and even...