kaylee hartung sat down with the author, andrew morton, and she joins us now.ce. now, royal biographer andrew morton says that margaret was always loyal to her sister, the queen, and now it's time for harry to apologize to his brother. they're the most famous brothers in the world. william and harry, caught in one of the most public rifts in royal history. >> harry's said that his brother is trapped. his father is trapped. he's been quite disloyal. >> reporter: now andrew morton, the author who gained acclaim for the biography of their late mother princess diana says the pair could take a lesson out of his new book diving into the complicated, but loving relationship between their grandmother and great aunt. what lessons could william and harry learn from queen elizabeth and margaret? >> forgiveness goes a long way. the queen and margaret fell out but they always came back together. >> eldest sister, youngest sister, number one and number two. >> who is number one? >> reporter: just four years apart, as children they were the closest of friends, but as they gre

saw his parents knocking six bells out of each other through the media with their books and the andrew mortonicult time. fir has not learnt any lessons from a difficult time.— has not learnt any lessons from a difficult time. or maybe he thinks that the way _ difficult time. or maybe he thinks that the way to _ difficult time. or maybe he thinks that the way to deal _ difficult time. or maybe he thinks that the way to deal with - difficult time. or maybe he thinks that the way to deal with this, i difficult time. or maybe he thinks that the way to deal with this, hisj that the way to deal with this, his lesson from all of that, is to be open, to say what he needs to say, to defend his family, which is another viewpoint as well. absolutely. we will have to judge it when we have seen the interview but once the queen knew this interview was being done, once they were going to start attacking... we don't know whether they will actually attack individual members of the royal family, but once they started an attack on the institution of monarchy, for which the queen has worked all of her life, she f