The totality of President Donald Trump’s statements and actions against NATO makes clear that the United States cannot be relied on to come to the defense of its European allies.

As the Biden administration takes shape, an emphasis on voluntary national service, namely young adults volunteering national service at home, abroad or in the military in exchange for tuition waiver…

The one hope Afghans have for this disappointing moment is that a process can be created in which they will have a say in their nation’s fate.

The new consensus about the cause of the 2008 financial crisis is seductive — and misleading. Sebastian Mallaby presents an alternative opinion.