CIOs must make risky bets to become CEOs

HALF MOON BAY, Calif. -- Implementing technologies to drive strategic advantages, coupled with the willingness to accept additional responsibilities and challenges, are table stakes for CIOs who aspire to become CEOs. That’s the advice of Dawn Lepore, who as CIO of Charles Schwab boosted her stock with an ambitious move to the Internet."To take any CEO job, things change so rapidly, the marketplace changes, competition changes, you have to show that you can take on something that you've ne