Perot probably would have needed at least a 5% advantage in the polls in order to get a 1% advantage on election day in order to win because of the lack of party GOTV efforts that the Republicans and Democrats are able to do.
Perot would have also done better had he chosen a sensible Vice Presidential candidate - maybe Lowell Weicker?
What would have been interesting is to see how the Electoral vote would have turned out. Perot did extremely well in the west and probably would have won everything except California and Utah. The margins of victory for Bush in the south were already small and a strong Perot might have caused some of them to swing to Clinton.
In the northeast Perot would pick up Maine and New Hampshire and I think that Vermont could have been persuaded.
Yeah, pretty much this.