Today, the German President Horst Köhler has resigned over a controversial interview he gave 9 days ago.In the interview he said that an export-heavy economic power like Germany would need to be able to use the military to defend its economic interest, inter alia by keeping international trade routes free or by preventing regional destabilisation.
Because of the context these remarks are made, they have been interpreted as related to the German presence in Afghanistan (very unpopular in Germany) and may sound close to support of unconstitutional use of military forces (the German constitution only allows defensive use the army or actions within the UN framework).
perhaps Germany needs to find a better infrastructure then the UN for protection.