Paul McCartney offers Heather Mills £20m By Joshua Rozenberg, Legal Editor Last Updated: 1:08am BST 20/07/2007 Sir Paul McCartney has reportedly offered a divorce settlement worth £20 million to his estranged wife Heather Mills. Heather Mills is reportedly holding out for £50 million At one stage there was speculation that the divorce settlement could leave the former Beatle with a bill for £20 million, but it is reported that Lady McCartney is holding out for £50 million. If the couple do not reach agreement, their financial dispute could be fought out in the High Court next year. The case is...