I agree with everybody else. This is a very good story. The only quibble I have is that Clark seemed to take Lois's death pretty calmly. I would have expected him to need Walter to keep his head barely on his shoulders. I doubt I'd be that level-headed in a similar situation, despite the obvious need to be strong for the kids.
Other than that, this is another of those stories I wish I'd written. I look forward to the final chapters, wondering if there's an evil twist in store for us.