Trump Ukraine call

In an interview Tuesday with NPR, Rudy Giuliani says former Vice President Joe Biden should be investigated after President Trump's expected impeachment acquittal.

The inquiry into Trump's dealing with Ukraine is moving from fact-gathering to considerations of law. House Republicans are knocking the process as rushed, unfair and guided by anti-Trump fervor.

The U.S. ambassador to the EU will give much-anticipated public testimony Wednesday in the impeachment inquiry of President Trump. His story has changed since he first testified last month.

The White House released a rough transcript of a phone call Trump made to Ukraine's just-elected leader in April. It differs in key areas from how the White House described the call at the time.

An offer has been made to the House Intelligence Committee to open a direct channel between the whistleblower and Republicans as long as the questions do not compromise the individual's identity.

Former White House aide Fiona Hill told impeachment investigators on Monday that she and former Trump adviser John Bolton were troubled by actions by the president's private lawyer.

Burisma Group, the company where former Vice President Joe Biden's son Hunter served on the board of directors, keeps a low profile even as it promotes itself as a major natural gas producer.

With the full House on recess, the House Intelligence Committee could start hearings within days into President Trump's contacts with Ukraine.

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.