On July 4th, Camp Obama dribbled out the news that the candidate's acceptance speech may well happen in the 76,000 seat Invesco Field, right across from the Pepsi Center in Denver.
Here's a satellite image of the venue:
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There is no retractable roof.
That means there is a chance that it might rain on Obama's acceptance speech.
IIRC, the Republicans considered doing something similar in San Diego in 1996, trying to escape the cramped confines of the San Diego Convention Center with its 27-foot high ceilings by moving the last night of the convention to Jack Murphy Stadium. They ultimately decided against it because of the possibility that it might rain.
Could Obama's desire for a final night worthy of the NFL, like his Presidential seal, go down as yet another example of his super-sized arrogance?