Big-topic discussions are loaded with firecrackers right now. Bring water into the chat, if you can. Conversations about politics and the meaning of life could shower sparks quickly, and the instinct to set off more could be swift. The most strategic move today is to retreat and reflect. Rather than Tweeting back, consider whether it’s the best use of your time. Maybe it is, but maybe you’d be better off cooling down and cozying up with a good book instead.