BREAKING NEWS: Democrats will hold a full-scale vote on impeachment.

BREAKING NEWS: Democrats will hold a full-scale vote on impeachment this week opening the way for televised hearings like Watergate – and calling Donald Trump's bluff on not co-operating with inquiry

• The president's lawyers have argued that Democratic requests for documents 'lacks the necessary authorization for a valid impeachment proceeding'

• Pelosi writes the vote is to 'eliminate any doubt as to whether the Trump Administration may withhold documents' or disregard subpoenas

• A senior national security advisor declined to show for a scheduled deposition Monday and sought guidance from a court

• The White House has deemed the inquiry 'constitutionally invalid' and refused to make witnesses and documents available

• Vote is scheduled for Thursday

• It would put Democrats – including those who seized districts from Republican hands – on record for the impeachment inquiry

• Pelosi told her colleagues: 'Nobody is above the law'