DONALD TRUMP has said he is surprised at the way Brexit has been handled - and blamed Theresa May for ignoring his advice.
"I thought it would happen, it did happen, and both sides are very, very cemented in".
Asked by a reporter if he believes there should be a second public referendum on Brexit in Britain, Trump replied he does not think that would be possible and it would be "unfair to the people who won".
However, he later became critical of May's Brexit proposals; after European leaders endorsed her blueprint at a summit last November, he said the deal could disrupt the UK-US trade.
"I hate to see it being, everything being ripped apart right now".
"We're doing trade, we're doing many many things with Ireland and it's been a wonderful friendship".
Ireland is at the center of the practical discussion of how Britain would separate itself from the European Union and its open movement of goods and people, because the only affected land border runs between Ireland and Northern Ireland.
At the event today with Trump at the White House, the focus was very much on Irish-American relations (with a few classic-Trump tangents).
The Irish PM said the most pressing issue facing his country was how to settle questions about the future of the border between Ireland, an European Union member, and Northern Ireland, which won't be.
Mr Varadkar said: "I stand here this morning as leader of my country, flawed and human, but judged by my political actions and not by my sexual orientation or my skin tone or my gender or religious beliefs".
"If they don't talk to us we're going to do something that's very severe economically", Trump said. "Maybe I shouldn't let you do it, I'll just get you in trouble".
In a tweet, Varadkar said it was "great to be back here for a really warm reception".
During the annual event, the Taoiseach also presented the president with a bowl of shamrock to mark his St Patrick's visit to Washington DC.
Brexit won't spoil the relationship, even given Trump's history of turning on leaders who cross him, said Marquette University historian Timothy G. McMahon, president of the American Conference for Irish Studies. "Everything does. One way or the other, it's going to work out".