As college graduates soon find out, the real world is tough. Sure, it was hard getting into the right school. But landing a good job is a lot harder. The number of new college grads now outnumbers available entry-level jobs by at least 25 percent. But that figure--sobering as it is--is deceptive, given that only a fraction of those jobs are career-worthy. So how do you succeed in a marketplace that's stacked against you? According to professional...