
The Case That Broke David's Inbox
Advisory Opinions
00:00
The Biggest Barrier to Change Is Knowledge
Bob Greene: The biggest barrier to change is just knowledge. He says there's this incredibly widespread view that animals should be treated decently. That doesn't sit well with people who want to do something about it, he says. Greene: Once you break through the ignorance barrier, you're going to have a lot of buy in.
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