VAGUE promises about “consulting” and “considering” law changes to block Andrew Mountbatten- Windsor from the royal succession fall woefully short of the moment. The eighth in line to the throne has sparked the gravest crisis faced by the monarchy in our lifetimes. Advertisement Even Nazi-loving Edward VIII said he was doing it for love when he threw in the towel in 1936, in perhaps the closest comparable reckoning for the House of Windsor. And he was effectively banished from the land . . . You have to go a lot further back to find a senior royal to let down...