Jamie Raskin actually said...
This was an arrangement where the President conditioned all of this foreign assistance that we had sent, $200 million to the Department of Defense, $191 million to the Department of State, to help Ukraine defend itself against Russia, and the President said--but what he was holding out for was the interference of the Ukrainian President in our election to harm his political opponent.
Context
Raskin discusses Trump's conditioning of aid on political interference.
12/16/2019