主播大秀

Simon Jack presents from the Grand National horse race in the UK, while Pauline McCole reports on the power and influence of the Hong Kong Jockey Club in the Chinese territory. We also hear from Michael Lewis, former trader and author of Liar's Poker, on how the odds of gambling on the stock market are stacked in favour of the powerful few.

(Photo: Race horses at Aintree, Credit: Alex Livesey/Getty Images)