On Saturday, an audio recording was released of Trump asking his unofficial aide, Lev Parnas, to fire the Ukrainian ambassador to the United States. Friend, this is a clear example of Trump putting his own interests above national security.
However, Senate Majority Leader Mitch McConnell urged Republicans to pass rules for the trial that exclude the introduction of new evidence. Add your name to demand that the Senate conduct a fair trial and allow the introduction of relevant evidence like this recording.