World leaders want a treaty to fight future pandemics, but what about this one?

<p>From the BBC World Service: More than 20 world leaders and the World Health Organization have penned a letter in global newspapers calling for an international treaty to guide how nations deal with future pandemics. Plus, GlaxoSmithKline&#8217;s vaccine chief discusses how the pharmaceutical industry can improve. And, the mood lifts in Suez as canal traffic flows once more.</p>