We keep hearing about how American jobs are going overseas. Just today, computer giant Dell said it would hire another 1200 people at a call center in India and build a factory in eastern Europe. In some cases, though, the jobs are still here. But many people don't want them. Take schools, for example. A shortage of homegrown teachers means our school systems now employs more than 15,000 foreigners. The trend is growing... and so is the business of recruiting teachers overseas as Work and Family correspondent Sarah Gardner found out.