Zoe Chace and Robert Smith are reporting from European borders this week. This is the third story in a four-part series.
The eurozone was supposed to create one big labor market by making it easy to cross borders for work.
But Gerhard Wiegelmann, a CEO in Stuttgart, Germany, can't find enough workers to staff his company — even with unemployment in Spain over 20 percent. He's had to turn down projects because he can't hire enough people.