nk God" ledge high atop the sheer granite face of Half Dome in Yosemite National Park. When J.B. MacKi=non, a Canadian freelance writer, approached Honnold about having scientis=s look at what goes on in his unusual brain, the climber said he once woul= have been afraid to submit himself to such scrutin

nk God" ledge high atop the sheer granite face of Half Dome in Yosemite National Park. When J.B. MacKinnon, a Canadian freelance writer, approached Honnold about having scientists look at what goes on in his unusual brain, the climber said he once would have been afraid to submit himself to such scrutin