Great! I loved it, joining two of my favorite universes - Star Trek and Superman!

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Spock nodded once. “However, Star Fleet Intelligence is still trying to discover how you came to have so much information concerning those events. The information was highly classified.”

“We could hear the Klingon Ambassador’s bellowing all the way to the Register’s offices,” Kent told him.
I'm sure Clark was telling the literal truth! Except that only he could hear the Ambassador's bellowing.

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He watched his wife, his soulmate, grow old and die, his children, his grandchildren.
That is so sad! And yet Clark very probably faces that.

One thing I'm not clear on - did Clark and Louisa leave before the Kryptonian embassy arrived? Or did they stay there, watching the embassy arrive? Or is Clark Ambassador El?