I used to think Prince Harry, as a besotted father-of-two, was a good role model for fellow dads – but jetting off for a four-day jolly with his wife, Meghan, is a trip too far, says Samuel Fishwick Y ou wonder if Prince Harry even has any idea what he is doing in Australia . Meghan, we know, is to be interviewed on stage at a “girls’ weekend” retreat in Sydney this weekend – where the £1,650 VIP package even includes a group selfie opportunity with the duchess . Who could resist? To which you