Foreign policy was a loser in the Democratic debates

There was one obvious loser in the first round of Democratic debates: foreign policy.

Night one eked out a few notable moments, but the bar somehow lowered on night two, when the 10 candidates on stage barely engaged with some of the most critical foreign and national security issues the US is facing right now.

Candidates on both nights did bring up foreign policy briefly in discussions of how to address the poverty and violence in Central America that are forcing people to flee to the US. On the second...