Witnesses: Contents Of Ukraine Call Were 'Concerning'

The transcript covers the testimony of former Ambassador Bill Taylor regarding a call between President Trump and Ukrainian President Zelensky. Taylor reveals that Trump was more concerned about investigations into Joe Biden than Ukraine itself. Giuliani is identified as part of an irregular communication channel pressuring Ukraine. Allegations of a quid pro quo involving military aid are discussed, with Republicans challenging Taylor's claims. President Trump denies wrongdoing, dismissing the hearings as a witch hunt.

What was the main concern regarding the investigations mentioned in the testimony?

What role did Rudy Giuliani play in the communications with Ukraine as described by Bill Taylor?