SPOILER ALERT: Do not read if you have not yet watched “Cornelius Ruck (No. 155),” the 12th episode of “The Blacklist” Season . Viewers that needed a bit of a respite from the real world on Friday night probably embraced the light-hearted nature of “The Blacklist’s” “Cornelius Ruck” episode, a concluding installment to the previous week’s […]