The U.S. government's shutdown clearly was triggered by House Republicans who are taking appropriations hostage in a last-ditch effort to hold off Obamacare. But some decisions on what government services are "non-essential" suggest the Obama administration is playing politics as well by making sure the pain is felt far and wide. Take the FAA's move to close its registration branch in Oklahoma City. The decision already is delaying deliveries of passenger jets, business jets and general aviation aircraft. Airbus was unable to deliver an A321 jet to JetBlue Airways on Oct. 1, and two U.S. Airways-bound A330-200s could soon be held up. The General Aviation Manufacturers Association says scheduled deliveries during the next two weeks of about 135 aircraft worth nearly $1.4 billion are at risk if the registration office remains closed.