Prince William and Catherine, Princess of Wales, could potentially skip King Charles III’s annual invite to vacation at Balmoral Castle if Prince Andrew is already there. “I’m sure William and Catherine will want to go up with some friends for the Glorious Twelfth, and I suspect Andrew would like to go for a few days shooting as well,” a source told an outlet when pointing out the popular hunting event in the Scottish Highlands. “Charles has seemed happy to allow Andrew his family days at the royal shoots, and I am sure that will continue.” The Prince and Princess of Wales are said to find the…