Rock'n'roll bands don't come much bigger than Bon Jovi. In a career spanning nearly 40 years, they have sold 130 million albums and played to an estimated 34 million fans in more than 2,700 shows. At the heart of this classically all-American success story is the man born John Francis Bongiovi, Jr, in Sayreville, New Jersey in 1962. Blessed with movie-star good looks and driven by a ferocious work ethic and an unshakable will to succeed, he was …