So much of dealing with the pandemic is about how each of us behaves in public. And it's easy to get mad when we see people not following public health guidelines, especially when it looks like they're having fun.But Julia Marcus of Harvard Medical School says there are pitfalls to focusing only on what we can see, and more empathetic ways to create new social norms. Julia's written about that for The Atlantic. Here's some of her recent work. Email the show at shortwave@npr.org.