WASHINGTON: At a time when the world is reeling under the impact of an economic crisis, PepsiCo chairwoman and one of the most influential women of the world Indra Nooyi believes that the corporate sector needs to rethink its role and adapt itself with the changing times. "Aristotle once said that the unexamined life is not worth living. I think it's time to examine what we do once more in the spirit of a critical friend. Let's pause for a moment to consider what we need to examine," she said while addressing a meeting of CEOs at the Economy Club...