AdvertisementSpain's Boom To Bust Illustrates Euro DilemmaJuly 15, 2010Sylvia PoggiolifacebookEmailPeople stand in line outside a government job center in Madrid last month. After Spain adopted the euro in 1999, investment flowed into the country and the economy boomed. Now, it is suffering from the highest unemployment rate in the 16-nation eurozone and grappling with the way to recovery. (AP)