WASHINGTON (Reuters) - A U.S. District Court judge ordered Special Counsel Robert Mueller on Tuesday to turn over any potential evidence that could be material for when he sentences President Donald Trump’s former national security adviser, Michael Flynn. [SNIP] Flynn has agreed to cooperate with Mueller’s investigation. Moscow has denied interfering in the election and Trump has denied any collusion. U.S. District Judge Emmet Sullivan told the government in a filing to turn over any exculpatory evidence, known as “Brady” material, that could potentially help Flynn’s defense or information that is “material either to the defendant’s guilt or punishment.” The...