The dirty little secret with regard to economies is that they're based on the consumption of commodities and energy. An industrialized economy of this scale consumes a lot of energy. In theory, an awful lot of sunlight falls on the earth per day, more than we can use. But due to efficiencies, engineering and resource realities, we're becoming increasingly more cramped. It's not that the energy doesn't exist--just that it's becoming less and less economic to produce it. As such, we're battling a war of attempting to balance effective and economic availability against a growing user base. We've bonked our head up against a ceiling of sorts and we're trying to do an end-around by madly attempting to increase efficiencies and tap other sources.
Yes, there are a multitude of political battles raging out there, but the end result isn't going to matter that much either way--we're facing a deteriorating exponential with respect to useful work done as the economics of it (harvesting energy) get more expensive.
It is the energy utilized tomorrow that pays for the debt we go into today. If the net energy of said tomorrow isn't going to be growing or, worse, is going to decline then today's debt can't be paid off. You can certainly grow jobs, but you can't grow wealth as we currently define it for all of us.