U.S. Preident Donald Trump's overtures about acquiring Greenland has shaken confidence in the U.S. among European leaders and the public.

Trump's posture toward Greenland has caused weeks of headaches for GOP lawmakers. They're happy he struck a NATO deal, but the details remain unclear.

US President Donald Trump praised British troops Saturday after sustained outrage over comments he made this week downplaying the sacrifices of NATO forces in Afghanistan.

The Duke of Sussex challenges President Trump's claims about NATO allies in Afghanistan, citing Article 5 response and 457 UK military deaths in a powerful statement.

Veterans and bereaved families call the comments "very disrespectful" and "soul-destroying", as Keir Starmer says they are "insulting and frankly appalling".

“It’s very disrespectful.”

British Prime Minister Keir Starmer has urged U.S. President Donald Trump to apologize for his false assertion that troops from NATO countries — other than Americans — stayed away from the front line during the war in Afghanistan.

U.S. president’s swipe at NATO troops in Afghanistan mark latest challenge to alliance.

N.H., joins 'Fox News Sunday' to discuss President Donald Trump's bid to acquire Greenland, the resulting tension between the U.S. and NATO allies and the aftermath of a CBP-involved shooting in Minneapolis.