Spain Catalonia Trial Preview

Pro-Independence demonstrators gather at La Diagonal, one Barcelona's main avenues, during the Catalan National Day in Barcelona, Spain, on Sept. 11, 2018. Spain's Supreme Court is bracing to hold the nation's most sensitive trial in four decades of democracy this week with all eyes focused on its ability to stand up to concerted campaign by Catalonia's separatists to attack its credibility. (AP Photo/Emilio Morenatti, File)