The political upheaval that a call between the U.S. and Ukrainian presidents set off in Washington has thrust Ukraine into the limelight. Here's a look at how it got involved.
A Ukrainian-American businessman has helped Rudy Giuliani promote a theory of corruption in Ukraine by Joe Biden, ahead of next year's presidential election.
President Trump's ex-lawyer has pleaded guilty to lying to Congress about a Trump Tower project in Moscow. Now, a Buzzfeed report says he told investigators that Trump asked for that lie.
President Trump's lawyer said he and the rest of the president's team are "very comfortable" with Cohen working with investigators, as long as he tells the truth.
President Trump followed a weekend filled with broad assertions of executive authority by stating on Twitter that he could absolve himself of wrongdoing.
As he headed to Dallas for the NRA convention, the president told reporters Friday morning that his new attorney Rudy Giuliani "will get his facts straight."
President-elect Donald Trump has named some well known figures as special advisers. But it's still unclear as to what that title might mean and what extent of power these positions might hold.