Here's the latest video at YouTube, #64 in The Little BIG Things Video Series. Tom says "It's always show time" (quoting David D'Alessandro) if you're in a leadership position. You lead by example whether trying to or not.
You can find the video in the right column of the front page of tompeters.com or you can watch the video on YouTube. [Time: 2 minutes 30 seconds] You can also download a PDF transcript of the video's content: Leadership: Lead by Example.