Disgraced and demoted Dr. Ronny "Pill Mill" Jackson wanted drug testing before the debates. Rep. Ronny Johnson Jackson demanded that testing as part of the pre-debate messaging push. But he KNEW that it wouldn't happen, especially for this debate. Plus, if you know you'll be drug tested and might fail, you can stop taking the drug or cheat. That's what Trump did when he cheated on his scheduled COVID test before the 2020 debate.
At the 2020 debate Trump was scheduled to be tested for COVID...