When Trump’s former national security adviser Michael Flynn pled guilty to lying to the FBI about contact with a Russian ambassador, it brought Robert Mueller's investigation right into Trump’s innermost circle. We don't know what's next in the election meddling probe, but the vice grip on Flynn is tight. Trump can't be comfortable, either. Nor, one imagines, is Jared Kushner, one of the 'senior officials' indicated in the legal filing released today.