The ongoing crisis in Yemen has drawn increased focus from other countries in the region and its allies overseas. U.S. Ambassador to Yemen Matthew Tueller says he is "relatively optimistic" that a new power-sharing agreement can be reached between the internationally recognized government of President Abd-Rabbu Mansour Hadi and the Houthi rebels who control the capital, Sana'a. VOA’s Vincent Makori reports and Pentagon spokesperson Colonel Steve Warren comments on Yemen.