The eurozone’s most important economy could be in for a rude awakening. In the wake of Standard & Poor’s recent downgrade of the Netherlands, Germany’s coveted triple-A credit rating may be at risk. Germany is one of only two Eurozone countries left with the top rating, but with its slowing output, aging population, expensive pledges to save the euro, and a new, untested governing coalition, the problems that brought down the Netherlands down may eventually afflict the economy holding Europe together.