WASHINGTON (AP) — Secretary of State Mike Pompeo acknowledged Wednesday he was on the July phone call between President Donald Trump and Ukraine's president that's at the center of the House impeachment inquiry. But Pompeo continued to push back against what he said was Democrats' "bullying and intimidation."

The Trump administration has set a defiant tone, resisting Congress' access to impeachment witnesses, even as House Democrats warned such efforts themselves could amount to an impeachable offense.

Pompeo has tried to delay five current and former officials from providing documents and tes...