Northern Ireland peace process
US President-elect had previously said the Good Friday Agreement must not "become a casualty of Brexit".
Peers reject "power grab" by London over Scotland, Wales and Northern Ireland.
"The UK’s EU referendum gave us a larger percentage mandate for exit than your own convincing win," says John Redwood.
As PM starts tour of EU capitals, Brussels chief quotes Churchill to ridicule him.
During trip to London, Speaker of the House says peace in Northern Ireland must not be jeopardised.
'The consumer will bear the costs at the end of the day,' MPs were warned
Former PM says Brexiteers willing to sacrifice peace in Northern Ireland
The humble pie was too much to stomach.
Lord Jay urges ministers to do some 'hard thinking'.