BAMAKO, MALI — Slavery is still practiced among some groups in Mali. Activists had made some gains in their fight to outlaw the custom until early 2012, when a Tuareg rebellion and subsequent military coup plunged the country into chaos. Now, as Mali prepares to elect its next president, activists say the time is right to push for a law banning the centuries-old practice. Read the full story on www.voanews.com