Do you ever feel sick of your job? Do you ever envy those people who seem to positively love what they do? While those people head off to work with a sense of joy and purpose, for the rest of us trudging back to the office on Monday morning or to the factory for the graveyard shift or to the job site on a hundred-degree day can be an exercise in soul crushing desperation. If only we could change jobs, we tell ourselves, that would make it better. But we don t have the right education . . . or we don t have enough experience . . . or the economy isn t right . . . or we can t...