Islamic extremists destroyed another two mausoleums in the northern Malian city of Timbuktu on Tuesday, attacking a graveyard attached to the city's most picturesque mosque, according to a historian specializing in the area's heritage. Salem Ould Elhadj, a researcher at the Ahmed Baba Institute in Timbuktu, said the members of the radical sect set out with picks and shovels to raze the tombs of two of Timbuktu's scholars, Baba Babadje and Mahamane Foulane, both of whom are considered saints. Their mausoleums are in a cemetery attached to the nearly 700-year-old Djingareyber mosque, built in 1325. It's made of mud and...