House managers must be clear: WH will not allow people with direct contact and first hand knowledge of Trump's action to testify because it would be damning. Senate's participation in the coverup would be damning evidence of cowardice and violation of oath
List the witnesses and what they know. Mulvaney will tell us about order to withhold aid. Bolton will tell us he and others told Trump of natl security harm in holding up aid.
Explain that if Trump can block key witnesses and Senate goes along there can never be removal of a president for impeachable conduct.
