Discuss the difference between Baba and Ali and between Amir and Hassan in "The Kite Runner". Discuss the difference between Baba and Ali and...

I see both betrayals as being very similar.  Baba betrayed Ali in a very different way than Amir betrayed Hassan, but the cause of the betrayal is the same:  both men could, and did, get away with it due to the social hierarchy in their society.  What's interesting about this similarity is it demonstrates similar flaws in both father and son, despite the fact that Amir sees himself as so different from Baba.