Yes, it seems Charlie Brown’s beagle really irked some folks. (Daniel Mendelsohn: “[He’s] so self-involved, he doesn’t even realize he’s not human.” Sarah Boxer begs to differ: “Snoopy may be shallow in his way, but he’s also deep, and in the end deeply alone, as deeply alone as Charlie Brown is. Grand though his flights are, many of them end with his realizing that he’s tired and cold and lonely and that it’s suppertime.”