10 Jobs Americans Can't Live Without

By Charles B. Stockdale

The national unemployment rate has remained stubbornly high -- above 9% since May 2009. While some companies are hiring, many continue to lay off workers, causing an overwhelming sense of job insecurity. However, certain workers may have less to worry about than others. That's because they are in professions Americans can't live without. 24/7 Wall St. has identified those crucial jobs.