As Congress escalates its impeachment probe into the Ukraine scandal engulfing his presidency, President Donald Trump faces the White House press corps Wednesday on an investigation he has branded a "coup."
He may also talk to journalists earlier when Niinisto arrives at around midday in Washington
Trump has likened the whistleblower to a spy and called for his or her identity to be made public, although by law whistleblowers are protected. He has suggested that the lead congressional investigator overseeing the impeachment inquiry, House Intelligence Committee Chairman Adam Schiff, should be arrested for "treason."