I'd be curious to see how J. Jonah Jameson and Perry White would run each other's newspapers.
I think it would go something like this.....
Clark Kent: Oh, goddamn it!, now whats Jameson accusing me of
Peter Parker: Yay! good press.
They'd also have to reconcile there being a Green Lantern Corps and a Nova Corps.
I'd point out that the Nova Corps spends most of its time being destroyed or being in some stage of reconstruction, but the same is almost as true with the Green Lantern Corps.
So, maybe they'd have to reconcile that there is neither a Nova or a Green Lantern Corps.
Didn't the Green Lantern Corps only get wiped out that one time Hal Jordan went nuts.