Ambassador Gordon Sondland (screengrab)
Ambassador Gordon Sondland will present "devastating" testimony, as evidenced by leaked copies of his opening statement.
Sondland directly will implicate President Donald Trump for a "quid pro quo" in his opening testimony.
Neal Katyal, the former acting Solicitor General in the Obama administration, offered his analysis of the testimony on Wednesday.
Katyal's analysis offers the implications for Rudy Giuliani, Vice President Mike Pence and Secretary of State Mike Pompeo, who Katyal suggests will need to be subpoenaed by House Democrats.
Here's Katyal's analysis of Sondland's opening statement:
