Mueller's witch hunt a growing disaster for national security

Mueller's witch hunt a growing disaster for national security:

Is it time to shut the Mueller investigation down?
The evidence is mounting that Special Counsel Robert Mueller's open-ended investigation into whether President Trump colluded with the Russians to steal the election from Hillary Clinton (which has turned up nothing on that specific front) is becoming more than just a political burr under the saddle of President Trump. It may be a growing national security problem.
Here are four points that demonstrate the extent of this problem.