I'm here at these Olympics to commentate for the BBC on the event, which starts on Tuesday, and I am more nervous about this than I ever was competing.

BBC: Rhona Martin tips Great Britain for double medals

When I am asked whether presenting the Today programme makes me nervous, I usually answer that the very worst that can happen in live broadcasting is that one is left looking like a prat - the stakes are nothing like as high for us as they are for a surgeon or even a stockbroker with a widow's pension to look after.

BBC: 'must meet praise with humility'

Public speaking still makes me a little nervous, and yet I have found that, assuming I am well prepared, when I approach the group with less bossy bravado and more vulnerability I connect better.

FORBES: Lead with Your Heart

I've never run the Mac version of Microsoft Office and am a bit nervous about seamless compatibility with Windows versions of Excel, PowerPoint, and Word.

WSJ: Mossberg's Mailbox: A New View on Windows

"I feel as if I am walking on thin ice, " he said then, and even now his nervous smile and effete hand wave suggest someone afraid to venture too far from the shore.

CNN: ASIANOW - TIME Asia | Cover: The Son of Heaven?