McCain scored points with conservatives here by acknowledging it was his first marriage . But when it came to the biggest moral failure of the U.S , he should have said it was abortion . Instead , he said not devoting ourselves to causes greater than our self - interest .

Choose from:
* He would have acknowledged his first marriage ..
* None of the above choices ..
* He would have scored points ..
* He would have devoted himself ..
Q: What might have happened if McCain said abortion was the biggest moral failing of the U.S. ?
He would have scored points .