Unless they can convict him of treason, there is no Federal charge that would lead to a conviction that would disqualify him from running. It's a purely political exercise and they'll discover that all it will accomplish is to strengthen his base. They've NEVER been able to shake his support. After another 3 years of the disaster going on due to the decisions made in the name of that meat-puppet, the Democrat losses could easily be of historic proportions. The one thing that might help the Left, ironically, will be a Republican win next year. At that point, the Dems can begin to trot out the same old song and dance about the big meany Republicans stopping them from doing God's work for 'the people".