Thinking about changing the world?

A week in which: Dan Pink, Al Gore’s former chief speechwriter, told Tim Ferriss

“Ultimately speeches are about actions. The only reason to give a speech is to change the world. That’s a high bar. But that’s what we should aspire to when audiences give us this privilege.”

TED uploaded a video of Dan’s old boss putting that philosophy into practice…

…and Tom Lehrer, turning 80, reminded us how quickly time can pass while you are thinking about change: