Given the sovereign debt turmoil in the Eurozone and the approaching debt problems for the US (as the US debt-to-GDP figures escalate over 100% by mid-2012 without accounting for state unfunded pension liability), debtor nations will find it difficult to finance large-scale consumption economies any longer.
Third, we should figure out how to use the scale of government energy consumption, especially through DOD, to provide test beds for important new technologies.