Just came across this. Can this be verified?
March 25, 2019 Memo from Trump 2020 Campaign Comms Director Tim Murtaugh to TV producers urging them not to book certain Democrats on their shows following the Mueller findings.
https://www.scribd.com/document/403100260/March-25-2019-Tim-Murtaugh-Trump-Campaign-Memo-to-TV-Producers