The Democratic and Republican presidential contenders have begun defining their approach to major foreign policy issues as they jockey for position in their parties’ primaries.

The Democratic field could touch on a number of foreign policy issues, from climate change to Iran, during its first prime-time sparring session.

For two years, the world has been battling COVID-19 with masks, vaccines, and lockdowns. There have been impressive results and serious missteps, but countries have failed to channel their shared exp…