Al Gore's 40-year marriage crumbled because of his wife's jealous rages that he was allegedly having an affair, it was claimed tonight. The former US presidential candidate separated from Tipper because she suspected he was sleeping with a string of glamorous women. Rather than her ending the relationship as previously thought, it was he who brought things to an end, according to U.S. reports. 'Jealous rages': Al Gore with wife Tipper in 2007. Their marriage has since ended 'While there's never been proof that Al had affairs, Tipper allowed herself to suspect the worse,' a source told an American newspaper....