Why Nato was formed and how Trump's Greenland push tests the alliance

As Donald Trump revives calls for US control of Greenland, Nato faces rare internal strain. Here's how the alliance was born, ...

Letters: What happens next as Trump considers 'options'?

Trump says U.S. ‘needs’ Greenland for security — Jan. 6; and Trump dismisses NATO’s value as his desire for Greenland shakes ...