Some employers are struggling to find workers with the right education and training, but there are other reasons why so many U.S. jobs are going unfilled.
Part II: Why Does it Take So Long to Hire a Nurse?
Would-be employees who have the right educational credentials but are short on experience face a catch-22.
Part III: Dedicated to the Mountains, Desperate for Jobs
In regions hit hard by the collapse of coal mining, some people are trying to reinvent themselves, but it isn’t easy.