WASHINGTON -- Accusing U.S. President Donald Trump of "an incitement to violence," House Democratic leaders bluntly warned Trump and his administration Wednesday not to intimidate potential witnesses in their impeachment inquiry. They said they were readying a subpoena demanding documents related to the president's dealings with Ukraine
House Speaker Nancy Pelosi said Trump may not "recognize how dangerous his statements are" against a whistleblower who exposed a July phone call that Trump had with Ukrainian President Volodymyr Zelensky. On the call, Trump pressed for an investigation of Democratic political rival Joe Biden and his family.
House intelligence committee Chairman Adam Schiff, accusing Trump of inviting violence against the whistleblower, said any effort to interfere with the Democrats' investigations would be considered evidence of obstruction and could be included in articles of impeachment.
"We're not fooling around here," he said.
Trump showed no signs of letting up, tweeting a vulgarity during the House leaders' news conference and saying "the Do Nothing Democrats should be focused on building up our Country." Throwing criticism broadly, he assailed Schiff as a "low-life" and said Pelosi's San Francisco has turned into a "tent city" of homeless.
Trump has tweeted in recent days that he wants to "find out about" the whistleblower and question him or her, though the person's identity is protected by the Whistleblower Protection Act.
The Democrats said they will subpoena the White House Friday for documents related to Trump's dealings with Ukraine, citing "flagrant disregard" of their previous requests for information. House Oversight and Reform Chairman Elijah Cummings wrote in a memo to committee members Wednesday that the action is necessary because the White House has ignored multiple requests.
Given the "stark and urgent warnings" the inspector general for the intelligence community has delivered to Congress, Cummings said, the panel has "no choice but to issue this subpoena."
The subpoena will be directed toward acting chief of staff Mick Mulvaney and request 13 separate batches of documents related to the July call and other related matters. The call unfolded against the backdrop of a $250 million foreign aid package for Ukraine that was being readied by Congress but stalled by Trump.
White House Press Secretary Stephanie Grisham said the subpoena is "nothing but more document requests, wasted time and taxpayer dollars that will ultimately show the president did nothing wrong."
The subpoena announcement came as House and Senate staff prepared to meet with the State Department's inspector general Wednesday afternoon. A State Department invitation, reviewed by The Associated Press, requested an "urgent" meeting with staff from eight House and Senate panels.
The invitation said the inspector general, Steve Linick, "would like to discuss and provide staff with copies of documents related to the State Department and Ukraine." The documents were obtained from the State Department's acting legal adviser, according to the email.
Meanwhile, Secretary of State Mike Pompeo acknowledged Wednesday he was on the phone call between Trump and Zelensky that is at the centre of the impeachment inquiry. He also continued to push back against what he said was Democrats' "bullying and intimidation."
Democrats have scheduled closed-door depositions Thursday with former special envoy to Ukraine Kurt Volker and next week with ousted U.S. Ambassador Marie Yovanovitch and three other State Department officials. Pompeo told the committees on Tuesday that the dates they had set were "not feasible," but at least some of the officials are still coming.
The Democrats said that Pompeo's resistance amounted to his own intimidation.
"Any effort to intimidate witnesses or prevent them from talking with Congress -- including State Department employees -- is illegal and will constitute evidence of obstruction of the impeachment inquiry," said Schiff, Cummings and House Foreign Affairs Committee Chairman Eliot Engel in a Tuesday notice to Pompeo.
They said that if he was on Trump's call, "Secretary Pompeo is now a fact witness in the House impeachment inquiry." And they warned, "He should immediately cease intimidating department witnesses in order to protect himself and the president."
Democrats often note that obstruction was one of the impeachment articles against Richard Nixon, who resigned the presidency in 1974 in the face of almost certain impeachment.
The committees are seeking voluntary testimony from the current and former officials as the House digs into State Department actions and Trump's other calls with foreign leaders that have been shielded from scrutiny. They have also subpoenaed Pompeo for documents.
Volker played a direct role in trying to arrange meetings between Rudy Giuliani, who is Trump's personal lawyer, and Zelensky, the chairmen said. The State Department said that Volker has confirmed that he put a Zelensky adviser in contact with Giuliani, at the Ukraine adviser's request.
The former envoy, who has since resigned his position and so is not necessarily bound by Pompeo's directions, is eager to appear as scheduled on Thursday, said one person familiar with the situation, but unauthorized to discuss it and granted anonymity. The career professional believes he acted appropriately and wants to tell his side of the situation, the person said.
Yovanovitch, the career diplomat whose abrupt recall from Ukraine earlier this year raised questions, is set to appear next week. The Democrats also want to hear from T. Ulrich Brechbuhl, a counsellor at the State Department, who also listened in on the Trump-Zelensky call, they said.
A whistleblower alleged in an August letter to the inspector general for the intelligence community, Michael Atkinson, that the White House tried to "lock down" Trump's July 25 phone call with the new Ukrainian president because it was worried about the contents being leaked to the public. The complaint was eventually made public after acting Director of Intelligence Joseph Maguire withheld it from Congress for several weeks.
In recent days, it has been disclosed that the administration similarly tried to restrict information about Trump's calls with other foreign leaders, including Russia's Vladimir Putin and Saudi Arabia's Mohammed bin Salman, by moving memos onto a highly classified computer system.
Ukraine's president told reporters Tuesday he has never met or spoken with Giuliani. Zelensky insisted that "it is impossible to put pressure on me." He said he stressed the importance of the military aid repeatedly in discussions with Trump, but "it wasn't explained to me" why the money didn't come through until September.
In Russia, Putin said scrutiny over the phone call showed that Trump's adversaries are using "every excuse" to attack him.
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Associated Press writers Matthew Lee in Rome; Angela Charlton in Kyiv, Ukraine; and Ricardo Alonso-Zaldivar in Washington contributed to this report.
