Teresa Hanafin, who writes the daily Fast Forward for the Boston Globe, describes a new whistleblower and the GOP-FOX effort to smear him.

There’s a major development in the House’s impeachment inquiry today:The first deposition from someone who listened in on that infamous July 25 phone call between Trump and Ukrainian President Volodymyr Zelensky — the one in which Trump pushed Zelensky to investigate Trump’s domestic political rivals.

Army Lieutenant Colonel Alexander S. Vindman, a decorated Iraq War veteran (Purple Heart) who is the top Ukraine expert on the National Security Council, is expected to tell the impeachment committees that he was so disturbed by Trump’s arm-twisting that he twice registered his concerns with his superiors.

“I did not think it was proper to demand that a foreign government investigate a US citizen, and I was worried about the implications for the US government’s support of Ukraine,” Vindman says in his opening statement, copies of which were obtained by several news organizations. “This would all undermine US national security.”

Vindman’s testimony is remarkable because he still is employed in the White House, on the National Security Council.

He’ll tell lawmakers that he’s not the whistleblower. But he will confirm details already outlined by other witnesses, including his former boss, Fiona Hill, who stepped down in August as the NSC’s senior director for European and Russian Affairs, and William Taylor, the top US diplomat in Ukraine.

Vindman twice registered his concerns with John Eisenberg, the top lawyer at the NSC: The first time was on July 10 after a meeting between senior US and Ukrainian officials where EU Ambassador Gordon Sondland urged Ukraine to investigate Trump’s political rivals. That angered Hill and John Bolton, then Trump’s national security adviser, who told Sondland that efforts to politicize the relationship with Ukraine were inappropriate. His second approach to Eisenberg was after the Trump-Zelensky phone call.

But the campaign to dirty up Vindman has already started, a cooperative effort between the GOP and Fox News to cast doubt on his loyalty and patriotism. They are peddling the narrative that because Vindman was born in Ukraine, he must be engaged in espionage, working against Trump’s interests.