Mr. Trump is not the only US president to urge allies to increase military spending, but he is the first to not explicitly commit to NATO's collective defense clause: "An attack on one is an attack on all".
Despite Trump having backed Britain's Brexit vote a year ago, it was all smiles at the headquarters of the European Union as Trump met the bloc's top two officials, Donald Tusk and Jean-Claude Juncker.
There might be some irony in the detail that emerged from the meeting between Trump and the presidents of the European Commission and European Council.
British police said the leaks have "undermined" the investigation. This has been pointed out to Trump every single time he has made this same inane claim in the past, which is many times, but he keeps repeating it anyway.
But Trump is set to face pressure from British Prime Minister Theresa May over leaks to the USA media of details of the probe into the Manchester attack.
President Trump's world view seems to combine a distaste for Islam with a predilection for monarchs of any background-for anyone with a decent palace, really.
Stormy Memorial Day Weekend
And, no surprise, a round of showers and thunderstorms will be possible, especially later in the day (from about 2 p.m. onward). A few showers may develop as a more indirect result of this system's development and subsequent track into the Mid-Atlantic.
Senate issues subpoenas targeting Michael Flynn's businesses
Bortnikov denied any attempt to intervene and said Moscow is routinely and falsely blamed for such efforts by the US government. That includes the consideration of Flynn's immunity request, although Schiff said he was "skeptical" that it would be necessary.
Egypt blocks 21 websites including Al Jazeera - security sources
A story had run earlier on the agency's website quoting a speech by Sheikh Tamim bin Hamad al-Thani, Qatar's ruler. The security source said legal action would be taken against the websites, MENA reported.
Recently in the news were reports that the president had shared highly classified information with Russian officials during an Oval Office meeting, revealed by those with knowledge of the conversation.
"NATO members must finally contribute their fair share", Trump told the uneasy crowd. No NATO leaders were seen approaching Trump to speak with him on his way out.
Hungarian Foreign Minister Peter Szijjarto, who attended meetings of North Atlantic Treaty Organisation member leaders on Thursday when Trump spoke, said he was confident having heard the USA leader speak that the United States would fulfil its obligations and wanted Europeans to do the same."What I heard from him yesterday in the meeting made me relaxed", he said.
"Some issues remain open, like climate and trade".
The president's shoving of Mr Markovic is just the latest in a string of intriguing moments from Mr Trump's first overseas trip.
The recently elected French President Emmanuel Macron also said: "In the center of the discussion was pragmatism". As the press watched, the two men exchanged a very firm handshake during their meeting, both men gripping tight, their faces showing the strain.