A former UK diplomat, Noel Brehony, an Arabist and expert on the Yemen has a long review of the situation, almost a briefing document:https://www.opendemocracy.net/arab-a...1b7e-407365113

The sub-title:
The conflict will not lead to a clear victory: there will need to be some difficult compromises. Meanwhile, the destruction continues and al-Qaeda in the Arabian Peninsula and Islamic State terrorists are exploiting the situation.