By Chiara Fiorillo Queen Elizabeth II knew that her remaining time was limited and Royal officials had secret summits with the idea of making her son Charles regent, a royal biographer has claimed. There was anxiety within the Royal Household over how long the former monarch, who passed away in September 2022, could continue to reign, according to author Robert Hardman. One of the possibilities aides were considering was the prospect of a regency, meaning the current monarch, then Prince Charles, might stand in for her if she was incapacitated. A former senior aide said they hoped a regency wo…