Nik Wallenda completes blindfolded tightrope walk in downtown Chicago
(CNN) -- Record-breaking daredevil Nik Wallenda completed Sunday what he had called his most challenging feat to date: a tightrope walk between two skyscrapers 600 feet above downtown Chicago. The seventh-generation aerialist's "Skyscraper Live" walk was broadcast on Discovery. The walk consisted of two parts, starting from...