Crossing Niagara, the return journey
From The Independent (in the UK): It takes a cool head, impeccable balance, and plenty of self-confidence to walk unaided across Niagara Falls on a tightrope. Unfortunately, for daredevil Nik Wallenda, it also requires formal permission from local bureaucrats. The 32-year-old circus performer is bidding to become the first person in more than a century…