Anne Look BAMAKO/KOUREMALE, MALI? Senegal and Nigeria were able to stop small Ebola outbreaks by closely monitoring those who had contact with the sick person and quickly isolating anyone with symptoms. Mali is scrambling to do the same now, almost a month after a 70-year-old Guinean imam sought treatment at a clinic in Bamako. Five people have already died. Mali confirmed a sixth related Ebola case Saturday; a female relative of a nurse who treated the imam. Every day, twice a day, teams are checking just over 300 people around Bamako. All of these contacts are linked to the Guinean imam who died of Ebola at a...