To talk to Barry Asake today, you would picture a 57-year-old architect working in downtown Washington, D.C. and driving home every day to leafy Bethesda, Maryland—not a man who 90 days ago was hiking 11 hours a day through thorn bushes while guarded by heavily armed bandits. But Asake lives in Abuja, the capital of Nigeria, not Washington, D.C. Just three months ago he got caught up in the vortex of crime that has plunged his nation into crisis. Some U.S. Africa watchers worry that Nigeria could morph into a state dominated by an ISIS-like caliphate. Asake’s nightmarish abduction ended without tragedy after a two-day ordeal, but he considers himself lucky. “It was beyond lucky, it was God’s mercy,” he said in a phone interview. “But you would be shocked to hear what they told me just before I was let go.” Asake was driving home to Abuja in company …