THE AUTHORIZED BIOGRAPHY: When Nick Gonzalez was a medical student, he stood beside his father's deathbed and vowed that he would find a cure for cancer. Nick imagined his future as a researcher toiling away in a lab in Memorial Sloan Kettering, working on conventional approaches to the disease. Yet Gonzalez's life was anything but conventional. At the urging of Linus Pauling, he had already left an accomplished journalism career and entered Cornell Medical School....