Everyone: demand the release of the videos showing the killing of Jamar Clark.

Parents that make unreasonable academic demands on their children tend to harm their academic success.

Protests in Washington are aimed at the US Trade Representative, the office that promotes antidemocratic treaties such as the TPP.

High levels of CO₂ in the air impede good thinking.

Global heating is not likely to raise the general world CO₂ level enough for this to happen. But it can already happen inside a building in a city, and with global heating, the problem inside buildings in cities will get worse.

Boko Haram is still setting off bombs in cities and causing hundreds of casualties.