Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: Donald Trump has long criticized U.S. foreign policy. That doesn’t mean he wants America to “come h…

The murder of George Floyd by a policeman and the ensuing protests against racism and police brutality in the United States have ignited similar protests in Europe. Large crowds are acknowledging the links among slavery, European colonialism, and racism.

U.S. administrations have backed sweeping efforts for societal change in the Middle East in recent decades, with poor results. But Washington can still achieve more modest, essential goals in the reg…