Karen MacPherson writes: “If you’re a baby boomer like me, you probably remember libraries as places of silent reading; any loud voices were immediately shushed by a librarian. These days, however, libraries are more like bustling community centers, where being at least somewhat noisy is the new normal, especially when kids are involved. As someone who led hundreds of circle times at my public library, I can tell you there’s just no quiet way to do the Hokey Pokey.”