Kate the “Backbone” of the Monarchy, and Prince Philip's secret illness

Princess Catherine is being described by insiders as the emotional backbone of the Royal Family, with growing concern she may be carrying too much as pressure on the institution intensifies.<br />We also look at the lighter side of royal life, including Kate’s famously practical car routine, why King Charles refuses snacks on the road, and a columnist’s very selective list of royals she would actually curtsy to.<br /><br />Plus: a new biography claims Prince Philip lived with pancreatic cancer for …