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The CIA denies allegations of spying from one its biggest supporters, Senator Diane Feinstein. Plus, in one of the wealthiest capitals of the world - London - people are living in shipping containers because property rent is so high. We look at what makes a winning argument on Twitter, after a new report shows that public consensus on any issue in the Twittersphere is settled within 20 hours - after which, it is almost impossible to change peoples' opinions. Finally, we look at why there is such an apparent lack of lesbians in the fashion industry. We discuss all this with Mark Konold from World Watch in Washington, and David Kuo from the Motley Fool in Singapore.