BROADCASTS.com

Protesters returned to the streets of Khartoum this weekend, again with deadly consequences. We look back to last month\u2019s violent crackdown, and consider Sudan\u2019s troubled push for democracy. China\u2019s swine-flu outbreaks threaten hundreds of millions of pigs\u2014but might spark long-overdue reforms in the country\u2019s pork industry. And, we examine San Francisco\u2019s e-cigarette ban: if vaping is safer than smoking, should it be stubbed out?