People differ in where they direct their empathy and their compassion. Many people are intensely concerned about the suffering of non-human animals, and some do not care at all. There are cultural differences.

What I mean by "empathy" is putting yourself in other people's shoes, feeling what they feel.

My younger son told me nobody uses email anymore. I'm this old fogie with my email. I don't know what I'm supposed to communicate with now - SnapChat?

The effects of Twitter and Facebook and all those things on people's psychologies is a really interesting question to which nobody knows the answer.

People differ in where they direct their empathy and their compassion. Many people are intensely concerned about the suffering of non-human animals, and some do not care at all. There are cultural differences.

I think Americans are always going to care more about Americans than about Mexicans.

Empathy zooms you in on an individual and, as a result, it's narrow, it's innumerate, it's racist, it's very biased.