Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

China's outbreaks of swine flu are spreading from huge industrial farms to tiny backyard

operations. More than half of the world's pork comes from China and half of those pigs

are already at risk. We look at how the crisis might transform the country's pork industry

and the world market for protein. And this week San Francisco's mayor will sign legislation

outlawing the sale of e-cigarettes. We examine the evidence about the harms of vaping, how likely

kids are to take it up, and whether a ban addresses either problem.

But first, in Sudan, tens of thousands of people demonstrated in the Capitol Khartoum yesterday

against a military junta. It was the first major demonstration since military forces cracked

down on a protest camp a month ago, killing dozens. The protests first erupted at the end

of last year, when citizens angered by rising costs began demanding the outstair of President

Omar Al-Bashir. He stepped down in April and a transitional military council took over.

Protesters continued to demand a handover to civilian rule and justice for people killed

at last month's protests. Yesterday, demonstrators spilled into the streets, heedless of an internet

blackout intended to stime their organization and of the risk of reprisals from the paramilitary

rapid support forces. Seven people are reported to have died.

Most of the people they don't think they are safe because the armed forces used extensive

violence again in them. Osama Mirgani is the editor-in-chief of Al-Tayar newspaper. He spoke

on the phone after yesterday's demonstration.

We suffer too much from the former regime and we feel that maybe the new regime can be

more west than the former regime. But now I think the people are protecting democracy

...