Wallenda to be tethered to Niagara Falls tightrope

Nik Wallenda test out the 2 in diameter giant tight-rope wire that will be installed for practice at the Seneca Niagara Casino in Niagara Falls on Thursday, May 10, 2012. Wallenda will try to cross the Niagara Gorge on a tightrope on June 15. (AP Photo/The Buffalo News, Harry Scull Jr.) TV OUT; MAGS OUT; MANDATORY CREDIT; BATAVIA DAILY NEWS OUT; DUNKIRK OBSERVER OUT; JAMESTOWN POST-JOURNAL OUT; LOCKPORT UNION-SUN JOURNAL OUT; NIAGARA GAZETTE OUT; OLEAN TIMES-HERALD OUT; SALAMANCA PRESS OUT; TONAWANDA NEWS OUT