Commentary

"The National Security Strategy would suggest [Trump's] not about to come to the primary defense of Ukraine, that he thinks this is clearly Europe's role and Ukraine's role, and there needs to be compromise," Council President and CEO Leslie Vinjamuri says.

From the exclusion of Europe in outlining a Ukraine peace plan, a continued push against Venezuela, and his embrace of Saudi Arabia’s crown prince, Trump showed this week that he will disrupt the status quo to deliver on his agenda.

A surge in drone incursions is prompting the EU and NATO to reevaluate their defense systems. Could a drone wall be the answer? Distinguished Nonresident Fellow in Defense and Security Ambassador Julianne Smith weighs in.

This week’s incidents speak to a growing, and concerning, trust deficit between the United States and its closest European ally.   

"The two leaders managed to really marginalize the differences between them and focus on the relationship," Leslie Vinjamuri says.

Britain’s been through Brexit, new leaders, and a new king. What does Trump’s visit reveal about what’s next?

"Donald Trump, at some level, approaches this visit from a position of great strength," Leslie Vinjamuri tells BBC News. "For the prime minister, it's a very different story."

European perception of the United States has plummeted as multilateral commitments wane and international tensions rise, recent surveys show.

"With the US abandoning its claim to international climate leadership, Europe must take up the mantle," Greg Pollock and Joshua Busby argue.

The US and Russian governments argued last week about who should get the credit for winning World War II. Both have the wrong takeaway, Paul Poast writes.