Realistically speaking, no, probably not- but I could see him being a factor in the race. Salazar seems to have the progression pretty much down- Rupp might not produce instant medals, but I think if he stays healthy and continues to demonstrate the consistency he's shown this year, he will retire from competitive with a piece of hardware from a major championship.
Then again, never in a million years would I have predicted Goucher's bronze in 2007. Who knows, maybe Rupp will run the race of his life to snag a bronze behind Bekele and Sihine.