The Democrat defecting to Trump's side
Talk of the defection has horrified his staff, who have resigned en masse.
Talk of the defection has horrified his staff, who have resigned en masse.
At first it seemed like an accident. But now a far more sinister plot has been revealed.
Republicans will mount an aggressive campaign to delegitimise the process.
Gordon Sondland's statement corroborated the testimony of less central prior witnesses.
New light shed on what triggered impeachment inquiry into 'high crimes'.
Mark Sandy revealed the resignations in testimony to impeachment investigators.
President Trump turned to a familiar face last week amid impeachment battles.
Documents reveal a clear paper trail of Giuliani's smear campaign against US ambassador.
He was called by Republicans to testify, but instead spoke up for Democrat Joe Biden.
His decision to report what he had learned triggered a rapid-moving impeachment inquiry.
Trump stubbornly refused to change his mind for months. Then he reversed course. Why?
Trump's tweets during the testimony spurred allegations of witness intimidation.
New York Times: Move suggests Democrats are moving toward a more specific set of charges.
Ambassador called Trump from a restaurant in the capital of Ukraine last summer.
Call evidence puts president more squarely in the middle of the swirling Ukraine scandal.
America and the rest of the world will have the chance to decide for themselves.
Republicans have sent for a list of witnesses they want to testify in impeachment inquiry.
US House of Representatives approves the ground rules for the impeachment investigation.
US President Trump's attorney said to be a key voice when it came to the Ukraine.
A bitter argument has broken out over the latest figure in the Trump impeachment inquiry.
Ukraine's leader was worried about pressure from the US president before notorious call.
US diplomat Bill Taylor was so troubled by goings on in Kiev he kept notes. Detailed ones.
Ambassador tells lawmakers "irregular channels" warping US policy on Ukraine.
Donald Trump's chief of staff has dropped not one but two bombshells.
Former Russian adviser told investigators Giuliani ran a shadow foreign policy in Ukraine.
ANALYSIS: Sondland's impending testimony could rock the presidency.
Former ambassador to Ukraine says she was forced to leave Kiev on 'the next plane'.
Trump allies 'tried to force Ukraine to give contracts to supporters'.
New York Times: Whistleblower has knowledge of Trump's interactions with Ukraine.