Dallaire said that with 400 marines he could have stopped the genocide, or at least have created a safe zone to defend refugees.
But Clinton refused them. Its OK, he still got a statue in his honor in return for his apology, and a major avenue named for him.
The French sent troops, but they were there to cover the Hutu retreat from the country after the massacre.
I heard him say that in a lecture at the Borah Symposium, and read it in his book. He is indeed a haunted man. I think he is correct in that a safe zone could have saved tens of thousands, but I don't think he could have stopped the thing. A single bomb on that radio station, though - that could have stopped the thing.