Visit us at Network2020.org. Yemen is at war again. This month, Houthi missiles struck the airport in Riyadh and the presidential palace in Aden, and in September the Houthis fought their way down the coast to the mouth of the Red Sea. In May 2020, five years into the war, we sat down with Helen Lackner to ask why it started and who could end it. She explained why Saudi Arabia wanted out, and why the Houthis needed the war more than the Saudis did. Since then, a UN truce has come and gone, th...