…but it definitely can’t be solved by ignorant indifference — “It’s an amazing time to be someone who cares, but we have to understand that simply caring is not enough,” writes Charlie Petty, in a much-needed post about America’s strange, sanitary charity movements. Petty’s right. We can’t save the world with Facebook. …

Squeezed between two infant seats in the back of Seth Mnookin’s Subaru Forester, I found it almost impossible to know what was going on. The engine was probably roaring, I knew, but I couldn’t hear it over the sirens of the passing police cruisers — a steady stream racing past…

The bombs sounded like fireworks. The screams sounded like the cheers that had poured through my open window for hours. …