The US, Iran, Israel and Hezbollah all have reasons to avoid full-scale war. But none yet has a serious route to peace.

The fighting in Lebanon showed no sign of letting up on Tuesday, after President Donald Trump said both sides had agreed — again — to de-escalate.

De-escalation, rather than lasting peace, is still important.

Trump's ceasefires in West Asia are failing, with ongoing violence despite efforts to broker peace in the region.