delivering a presentation or important public news. Over decades survey

participants have repeatedly claimed they would rather die than address a

crowd. But it's not necessary to be a "rock star" entrepreneur or a

smooth-talking politician to enthrall the audience as a public speaker.

Body language, deep breathing, sharing personal insights and giving

yourself a break will improve impact and overcome awkwardness, say

experts who insist hubris may be as much of a turn-off as shyness.

Here's how Australia's senator Penny Wong and US president Barack Obama

get it right.