The White House has said President Trump is to declare a national emergency to fund his planned border wall with Mexico.
The declaration is a way of bypassing Congress - instead he'll use military funds for the wall.
Senior Democrats have responded furiously, saying Trump would be committing a "gross abuse of power" and a "lawless act".
The ambulance personnel branch of the Psychiatric Nurses Association is going on strike today.
NASRA members will walk off the job from 7am this morning until 5pm this evening.
They're planning further action on Thursday 28th of this month, and then again on Friday 1st March.
The All-Ireland Civic Dialogue on Brexit is taking place in Dublin today.
The Taoiseach Leo Varadkar and Foreign Affairs Minister Simon Coveney will attend the Fifth Plenary Session at Dublin Castle.
It's organised to have the widest possible discussion about the implications of the UK's vote to leave the European Union.
In the UK, Labour's calling on Theresa May to come up with a 'coherent' Brexit plan after she lost another vote in the House of Commons.
It was Conservative Brexiteers who engineered the defeat this time - unhappy at what they see as a softening of the government's position over a possible no-deal.
Downing Street, meanwhile, said the British Prime Minister will continue to seek changes to the withdrawal agreement from the EU.
A conference in Trinity College Dublin today will discuss replacing the 'woman's place is in the home' clause in the Irish Constitution.
Historians, sociologists, policy experts and activists will gather to talk about household labour.
They'll also raise wider concerns about the responsibilities and status of care work.