This cartoon by Schrank from The Independent on Sunday relates to the UK coalition government's planned overhaul of the benefits system, which will make going out to work pay and see benefit cuts for those who refuse to take jobs.
Work Secretary Iain Duncan Smith is shown welcoming an assortment of what are doubtless meant to be unemployed people to "the world of work". Beyond the twin pillars, a long and winding road leads to the top of a mountain. A giant pie labelled 'Jobs' hovers in the sky.
The long, winding road is an obvious metaphor for the difficulty the unemployed will have finding jobs in austerity Britain, but what about the pie? Well, if you describe an idea, plan, or promise of something good as pie in the sky, you mean that you think that it is very unlikely to happen. • It may sound like pie in the sky, but the nanotechnology revolution has arrived, and is advancing rapidly. See The Phrase Finder for the origin of this expression.