Durham's investigation will pull the cover back on many of these.
Leaks were likely just as bad pre-Trump…the difference is that Trump isn't standing for leaks in his administration.
Here's the WP article on SC and impeachment: "
The Supreme Court can review an unfair impeachment trial"
https://www.washingtonpost.com/outlook/the-supreme-court-can-review-an-unfair-impeachment-trial/2020/01/10/00dae97c-32fa-11ea-91fd-82d4e04a3fac_story.html