The only vice which cannot be forgiven is hypocrisy. The repentance of a hypocrite is itself hypocrisy.
America is an idea. And it's the solemn responsibility of each 'temporary' president to protect and nurture that noblest of all ideas - with integrity. This man, Mitt Romney, has shown - not through his experience, but through his actions and words - that he is unqualified to carry out that responsibility.