This week, it will have been two years since Saudi Arabia and the coalition led by the Gulf Cooperation Council (GCC) began an aerial campaign against Yemen's Houthi rebels. But a resolution to the conflict is as far out of reach as ever. Political negotiations have come to a standstill, and though the U.N. special envoy to Yemen is expected to call for renewed peace talks, if past attempts are any guide, there isn't much hope that they will succeed. Yemeni President Abd Rabboh Mansour Hadi has so far proved unwilling to relinquish power, and Houthi rebels -- along with the General People's Congress they support -- have been equally reluctant to cede the territory and arms they've acquired, leaving little room for negotiation....