It’s rare enough an airplane has mechanical problems and has to make a special landing.  But the plane that a Presidential candidate is riding on?
The airplane carrying Democratic presidential candidate Barack Obama has made a safe, unscheduled landing in St. Louis Monday after a maintenance issue arose en route from Chicago to Charlotte, N.C.The pilot has announced from the cockpit that the plane experienced a problem maintaining the proper pitch, or control over keeping the nose at the proper angle, as it was taking off from Chicago. FAA spokeswoman Laura …