Mauritania votes as departing president respects term limits

NOUAKCHOTT, Mauritania (AP) — Mauritanians are going to the polls to elect a new president.
The outgoing leader’s preferred successor on Saturday faces five opposition candidates in this West African nation threatened by Islamic extremism.
One candidate of sub-Saharan African descent wants to improve race relations in a country where activists estimate tens of thousands of people still live in slavery despite the practice being banned for decades.
Mauritania has suffered five coups s