In the wake of a security crackdown on a sit-in protest outside army headquarters in Khartoum that left at least 13 dead June 3, the Sudanese Professionals Association (SPA), an umbrella group representing civilian protesters, severed talks with the ruling Transitional Military Council (TMC) June 3. The sides had been engaged in negotiations to craft a transition plan for the country. The SPA has since called for a campaign of civil disobedience throughout the country....