In Nigeria, more money means more problems

<p>From the BBC World Service: Nigeria allows the use of old notes to ease new problems &#8211; for now. A plan to replace notes has been beset by problems with a scarcity of cash leading to riots in some cities. Our reporter explains the backdrop and we hear from those affected in Lagos. Plus, one of the world&#8217;s biggest chip companies says its intellectual property has been stolen. And, why New Zealand is struggling with a shortage of eggs.</p>