Mormons tend to have pretty stable family lives. The LDS and RLDS (the two major divisions of that church) place a great deal of emphasis on family--just as the rest of the country once did.

That isn't enough reason to vote for or against anyone though, I'm far more concerned with his pollitical views than his religious views.
President Reagan summed it up nicely, "Some people go through their entire lives wondering if they made a difference, Marines don't have that problem!!!"