3. It's not just that she defended a rapist. It's that she's laughed about it like it's fun.

Snopes has a different view:
http://www.snopes.com/hillary-clinton-freed-child-rapist-laughed-about-it/

The key observation is that she laughed about aspects of the case such as how her client passed a lie detector test, destroying her faith in it. Very different from laughing at the victim or the crime.