Government Accountability Office says 'the President is not vested with the power to ignore or amend' funding approved by Congress

Tehran says European governments sacrificing agreement to avoid trade reprisals from 'bully' Trump, after Washington says it will levy fees on car imports

'Today we will make history,' says Nancy Pelosi as she presents documents, 'This president will be held accountable'

Lev Parnas says he delivered messages to Zelensky about opening Biden probe on direct orders from Trump's lawyer, and US president 'knew exactly what was going on'

Intelligence Committee chairman and Judiciary head, whose committee approved impeachment articles, will lead 7-member team that includes a diverse selection of lawmakers

Senator Tim Kaine says 4 Republicans are willing to support bill requiring Trump to seek authority from Congress if military hostilities with Iran last more than 30 days

Nonbinding statement affirming Congress role in declaring war passed the House last week; Republican leader McConnell urges Democrats not to 'screw up' US deterrence in Mideast

House expected to approve removal of president from office; Senate Majority Leader McConnell meets with GOP senators Tuesday as they negotiate the terms of the trial

World Economic Forum says Zarif isn't coming next week because of 'backdrop of uncertainty in the region and what is happening in Iran'

British PM says US president is a 'great dealmaker, by his own account and many others,' stresses goal must be 'to stop the Iranians acquiring a nuclear weapon'