By Gregg WendorfAdvance News JournalI love people in their senior years who still live life to its fullest degree. Man or woman, they are my heroes.Take Jack LaLanne, for example, who died from respiratory failure caused by pneumonia 12 years ago.He was 96 when he died, still working out, lifting weights, swimming every day, right up until the end; and his mind was still sharp.LaLanne was a fitness guru in the early days. He was into fitness training back when athletes were, get this, forbidden to lift weights. That was in 1936 when LaLanne, son of poor French immigrants, opened ...