One is just as preposterous/far-fetched as the next.

Seriously. Is that your reasoning?
Well, first, I don't buy that. I'm not a religious man, but
can I say for absolute certain, there wasn't a Jesus? Nope. The bible might have been written by superstitious people, but the people and places mentioned in it did exist. We even have one or two of their bodies in museums. People wrote down or told stories, and somene collected those stories into something called a bible. Some of those stories were thrown out, others embellished or re-written, but there was a fundemental truth there. It wasn't like someone got up one morning and then said, "I'm going to write this big book to scam people." It was a primitive people trying to comprehend their world with the limited science they had.
That is not what happened with Joseph Smith. He knew he was lying the first time he set pen to paper. Except now we know that there weren't any Hebrews in ancient America, and that the "Book of Abraham" was in fact a pagan funerary scroll that Smith thought he could get away with because no one had translated heiroglyphics in 1830. He was making it up, scamming his way from one state to another until they finally got fed up and shot him.
In order to keep believing in Mormonism, Mitt Romney has to make a conscious effort to ignore these facts. It shows a mind that is kind of the oppossite of what I want in the White House. Reason is molding your opinion around the facts. Faith is molding the facts around your beliefs. And when your
faith is a lie from the start, things get a little funky.
In 2008, Romney said he welcomed questions about his faith. Until People started actually asking them. Today he says he won't discuss it and anyone who brings it up is a "bigot".