Mali hotel attack latest to rattle global sense of security

From cafes in Paris to the teeming markets of Nigeria, in tourist resorts on the Sinai peninsula and now a glitzy hotel in the dusty capital of Mali, the message Islamist terrorists sent to the world over the last several weeks is that no one — almost anywhere — is safe. The attack Friday, in which armed gunmen stormed the Radisson Blu Hotel in Bamako and swept through the rooms, leaving an estimated 20 people dead, targeted a key region of French anti-terrorism operations in Africa only a week after Islamist attackers launched a wave of shootings and bombings across Paris. The attacks in Paris, for which the militant group Islamic State claimed responsibility, seemed to signal a...