[AaronFriel]

That's probably true, but there's very little evidence of donations to the foundation being used to elicit favors, and there's a smidge of evidence that such attempts failed. Example:

http://www.latimes.com/politics/la-na-pol-clinton-donor-chag...

[pamqzl]

If you give money to a government official in return for a specific favour then you'll both wind up in prison.

But there are certainly a helluva lot of ways of for this transaction to occur without anyone ever directly saying "here is your bribe".