Zara and Mike Tindall are “full of energy” and are ideal candidates to step into the royal fold while Princess Anne recovers from minor injuries, according to a royal commentator. The Princess Royal is in hospital after suffering ‘minor injuries and concussion’. Anne is expected to make a full and swift recovery after she was given medical care at the scene of the incident, where she is believed to have been kicked by a horse, before being transferred to Southmead Hospital in Bristol for appropriate tests, treatment and observation. Anne is one of the Royal Family’s most active members in term…