Large cruise ships are slow to steer, their bulky momentum gets in the way. But they are robust and comfortable.
On the other hand speed boats can turn quickly, but with the quick turns comes the chance of flipping the boat.
In my opinion America is like a large cruise ship, and steering it is a slow process, robust and safe.
For people to expect Obama, or any leader of a large enterprise, to make consequential changes – hopefully positive improvements – in such a short period of time is un-realistic. Republicans were attacking him within his first 100 days.