Weekends with Alex Witt 11/02/14

Nik Wallenda to walk across Chicago River

NBC’s Kevin Tibbles shares with Alex Witt details on high-wire walker Nik Wallenda’s latest stunt: attempting the same 100-foot-high tightrope walk across the Chicago River that killed his great grandfather Karl Wallenda in 1978 – and without a safety net ... more Duration: {{video.duration.momentjs}}