The First Lady of the U.S. has provided a very visible rallying point in that country -- people respond to her sheer force of personality. Children look up to her; they want to eat their vegetables for her. That's not a policy lever, but no one can say it's not effective. Here in Canada we do not have such a figure.

WASHINGTON - Michelle Obama on Tuesday returned to the business of selling her first book, and she started by telling scores of people waiting in line...

One parent who knows how to shake it is the First Lady, Michelle Obama. You want to watch her dance on YouTube. The clip shows her performing The Evolution of the Mom Dance with Jimmy Fallon on his late night show in honour of her 'Let's Move' campaign.

When I recently read that superstar Beyoncé, a role model to millions, especially her legions of young fans, signed a 50 million dollar deal with Pepsi, I was compelled to speak up. A lifestyle brand! Seriously? Do celebrities have a moral responsibility to talk their talk and walk their walk? I believe they do.