There are also in the process of crashing their own economy, which even to reach strategic goal does not seem wise. Falling oil prices and a a costly campaign

There are also in the process of crashing their own economy, which even to reach strategic goal does not seem wise. Falling oil prices and a a costly campaign in Yemen seems to be a bad combination. http://www.economist.com/news/middle-east-and-africa/21674403-will-it-be-enough-start-something?zid=308&ah=e21d923f9b263c5548d5615da3d30f4d http://www.economist.com/news/middle-east-and-africa/2167440...