It’s tough being a young worker in today’s difficult job market. But if your parents tell you it was even tougher when they were your age, don’t roll your eyes and write them off. They might just be right. A common predicament among recent college grads is the difficulty finding professional work that matches their qualifications. Some hold out and refuse to take a job for which they’re overqualified, which is why the unemployment rate for recent grads, at about 6%, is higher than the rate for college grads as a whole, which is only about 4%. A bigger problem,...