High wire artist Nik Wallenda constantly prayed to Jesus as he walked without a harness on a 1,400-foot long high-wire across a 1,500-foot tall gorge near the Grand Canyon on Sunday, successfully completing the death-defying feat that was broadcast live on the Discovery Channel. "Thank you Lord. Thank you for calming that cable, God," The Associated Press quoted Wallenda as saying as he had reached halfway through the tightrope. He had no safety tether attaching him to his line at a height taller than the Empire State Building, and was facing sudden wind gusts of over 20 mph. Discovery chose...