18 May 2013 Last updated at 04:14 GMT

Bulls Will Drive Market but Bernanke Is Steering
Bullish momentum should drive stocks higher into the week ahead, with all eyes on a speech by Fed Chairman Bernanke.
Treasury Seeks to Avoid Default
The Obama administration on Friday said it was ready to free up $260 billion so the nation could meet its obligations.
Dirty Dozen: The 12 Worst Mutual Funds
High fees plus poor performance: The formula is pretty easy to determine what makes a bad mutual fund.
Lawmakers Accuse IRS Officials of Lying
US lawmakers accused IRS leaders of lying as they began investigating the agency's targeting of conservative groups.
Kudlow: The Only Fix for IRS Mess
Larry Kudlow says there's only one possible solution to clean up the IRS mess — a special council.
How to Tell If the IRS Is Eyeing You
Being audited is scary. Not knowing if you might be is almost as bad. Here are telltale signs the IRS looks for.
SAC Capital Won't Cooperate: Letter
SAC Capital Advisors told investors it would no longer cooperate unconditionally with the government's investigation.
China April Housing Inflation Quickens
China's housing inflation quickened in April, marking the fourth consecutive year-on-year rise.
Facebook Mobile Much Improved: Experts
It was making nothing on mobile a year ago but raked in $375 million in the first quarter, experts told CNBC.
Credit Card for Your Kid: Good or Bad?
When a high school graduate wants a credit card, is that a good or bad thing? NBC takes a closer look.
Restaurants Fear Tough Drunk-Driving Law
Restaurant owners are worried that a tough new drunk driving law may hurt their business.
Powerball Winner Will Pay Up
If you win the upcoming half-billion-dollar Powerball, you'll be putting a big smile on Uncle Sam's face. Why? Taxes.
Chief Funster? Yep, That's a Job
Chief funster? Yep, that's a job. It's one of six dream jobs Australia is hiring for. How do you qualify? Read on.
No Porn Please, We're Bankers
Then you won't be doing business at this bank.
Beer Me Up Scottie: A Star Trek Brew
Trekkies will be getting their first official beer.
JC Penney CEO Meets Shareholders
JC Penney's Mike Ullman told shareholders: "I have an enduring affection for J.C. Penney." They appeared to return the favor.
The Retail Names to Watch Next Week
The next week investors get the last wave of reports from retailers. Here's Pisani's take on the names that count.
Apple's Cook to Propose Tax Changes
Tim Cook says he'll propose tax changes to encourage firms to bring home more of their offshore funds.
Recession Will Hurt Gen-X for Decades
Early Boomers may be on track to retire with enough savings, a new Pew study finds. But Gen-Xers (and the rest of us) are in for a world of hurt.
NBC, CW Network Jump Into TV Everywhere
The blurring of the line between what you watch on TV and what you stream continues to get hazier, TheStreet.com says.
The World's Most Dangerous Waters
Here are the world’s most pirate-infested waters, and stories of individual attacks from each area.
How Facebook Makes Money on You
CNBC's Julia Boorstin literally steps inside a Facebook page and shows you the money, where it comes from and exactly how much.
Wall Street Bonuses Set to Rise in 2013
Wall Street bonuses and staff levels are expected to rise again in 2013, according to a closely watched report.
JPMorgan Goes All-In on Rally
Wall Street's stock market mania officially has gone full-throttle with a boost from JPMorgan.
Six Questions For Bloomberg LP
Bloomberg's response to its privacy scandal is coming under increasing criticism a week after it first broke.
Pro-Assad Hackers Attack FT's Website, Twitter feed
The website of British newspaper the Financial Times was hacked on Friday, apparently by the "Syrian Electronic Army".
Forget Facebook: Stocks, IPOs, Are Fine
Investors had every reason not to trust the market after last year's Facebook fiasco. Yet trust is coming back.
Ex-Goldman Partner Back From Bankruptcy
Fred Eckert is trying to start a new money management business.