Vindman complained to Eisenberg—the White House legal adviser for national security issues—about the administration's approach to Ukraine at least twice.
More than 1,250 people have been killed by police this year under the watch of the far-right president, who came to office promising a zero-tolerance approach to crime.
Two bills passed the House with overwhelming bipartisan support on Tuesday, one recognizing the Armenian genocide and the other calling for sanctions on Turkish officials.
The Watergate special counsel investigation found an 18.5 minute gap in Nixon's recorded phone calls, which Harvard Law School professor Laurence Tribe compared to gaps in the Trump-Zelenskiy memo.
The House voted overwhelmingly to support the bill recognizing the early 20th century genocide, in which more than 1 million Armenians are thought to have been killed.
Vindman sat in on the July phone call between Trump and Ukrainian President Volodymyr Zelenskiy and was concerned about what was discussed.
John Yoo, who penned the infamous Bush-era "Torture Memos," suggested that Vindman's Ukrainian background should be cause for concern.
Lieutenant Colonel Alexander Vindman was on the call between President Donald Trump and his Ukrainian counterpart and raised concerns about the conversation to a superior.
Trump claimed that Baghdadi was "whimpering, crying and screaming" as U.S. special forces closed in on his hiding place on Saturday.
Trump said this weekend he would like to get U.S. companies into eastern Syria to "properly" exploit the oil fields there.
The Washington Post changed its headline three times having come under fire for the obituary's wording.
Foreign Ministry spokesperson Hua Chunying said China was "strongly indignant" after Pence delivered his speech.
Vast oil and gas deposits are believed to be buried under the Arctic, where climate change is melting sea ice and uncovering new commercial opportunities.
Trump appeared to suggest Thursday that the Kurdish population in Syria relocate to a small area of desert he referred to as the "Oil Region."
The president said Wednesday that the U.S. would now "let someone else fight over this long bloodstained sand."
Michael McFaul said President Donald Trump has "personalized" and "privatized" U.S. foreign policy at great cost to the country.
"I am not completely convinced that it was a bad idea to get them out of harm's way," John Cornyn said of U.S. troops in Syria.
Earlier this week, explosive testimony from senior U.S. diplomat Bill Taylor detailed his grave concerns about the administration's interaction with the Ukrainian government.
The November elections are for local councils but are set to become a proxy vote on the government's handling of the months-long protests and Beijing's encroaching influence in the territory.
A deal agreed between Russia and Turkey on Tuesday handed Kurdish-led forces a 150-hour ultimatum to withdraw from an 18-mile zone along the Turkish border.
James Franklin Jeffrey told the Senate Foreign Relations Committee on Tuesday that the government does not know exactly how many Islamic State militants have been freed.
John Podhoretz said Taylor's 15-page written statement detailed "absolutely" impeachable conduct by the president.
Putin will welcome dozens of African leaders to the Black Sea resort of Sochi on Wednesday for the start of a two-day event.
Officials believed it would be politically damaging for Trump to befriend the authoritarian, euroskeptic, anti-immigration and anti-free press leader.
"We're in trouble," Steve Schmidt said in a Monday interview. "You see America in retreat, literally."
Mevlut Cavusoglu said Turkish forces agreed to a five-day pause to operations to allow Syrian Democratic Forces to withdraw and that Turkey stood ready to resume the invasion.
Pew Research Center data shows that 54 percent of adult Americans surveyed now back the Democratic probe into the president's conduct.
Mevlut Cavusoglu said Turkey expects its allies to support the country's invasion of northeastern Syria, but that it is willing to stand up to threats and condemnation if necessary.
Trump whipped up a crowd of supporters in Dallas on Thursday by claiming credit for the five-day "ceasefire" in northeastern Syria.