Bill Gates, the fourth richest man in the world with a fortune of $124billion, and his wife Melinda are divorcing after 27 years of marriage. The 65-year-old Microsoft founder and his 56-year-old wife announced the split on Twitter. They both posted the same joint statement which read: 'After a great deal of thought and a lot of work, we have made the decision to end our marriage. 'Over the last 27 years, we have raised three incredible children and built a foundation that works all over the world to enable all people to lead healthy, productive lives. We continue to...