WASHINGTON (AP) – House Democrats are waiting to see if the Trump administration will block the former U.S. ambassador to Ukraine from speaking to their investigators. Marie Yovanovitch was recalled from the post and is scheduled to be deposed Friday. Whether Yovanovitch will appear has been thrown into question by the White House’s assertion that it will not cooperate with what it now considers an illegitimate impeachment inquiry of the president. The ambassador to the European Union, Gordon Sondland, had been scheduled for an interview Tuesday before a joint House committee taking depositions in the impeachment probe. Hours before his appearance, the administration blocked his testimony. House Democrats then subpoenaed Sondland, setting up another clash between the two branches of government.