YOLA, Nigeria ? Hundreds of bodies ? too many to count ? remain strewn in the bush in Nigeria from an Islamic extremist attack that Amnesty International suggested Friday is the quot;deadliest massacrequot; in the history of Boko Haram. Mike Omeri, the government spokesman on the insurgency, said fighting continued Friday for Baga, a town on the border with Chad where insurgents seized a key military base on Jan. 3 and attacked again on Wednesday. quot;Security forces...