Chief of staff was "displeased" because there was "only pastries and cheese" for breakfast, Sarah Huckabee Sanders said.
Trump slammed Germany over a gas pipeline deal with Russia.
North Korea poses "a global threat which requires a global response," Jens Stoltenberg said.
The president and NATO leaders also talked on the phone about boosting other nations' contributions.
"Progress has been made on fairer burden-sharing."
Policing the globe is not America's job. Protecting the interest of wealthy allies like Denmark and other European states is not America's job. Sacrificing its people's lives and wealth to suppress tragic but irrelevant conflicts around the globe is not America's job.
It's good that NATO and Russia met. Dialogue should continue, with the EU and U.S. prepared to negotiate a deal normalizing relations.However, the allies won't know without trying. And everyone would benefit from ending the current impasse. Especially the Ukrainian people.
The shield will be handed over to NATO control in July.
The U.S. plans on filling Eastern Europe with thousands of troops along with vehicles and weapons to equip an armored combat brigade. Uncle Sam may be bankrupt, but nothing is too expensive for our pampered European allies, who enjoy greater wealth while spending far less on the military.
The announcement sets in motion an accession process that will continue over months before Montenegro formally becomes the 29th member of the alliance.