with the announcement of Bristol Palin's pregnancy this thread doesnt seem as far fetched anymore - i am still suspicious of Sarah Palin's story about how she gave a speech then went on a 10 hour trip AFTER her water broke.
I have a feeling there are a few reporters going through the Wasilla garbage dump right now (it cant be that big) looking for one of these:
fake pregnancy suit
Here's a story of a girl who faked a pregnancy and how she fooled everyone.