When experienced staff leave, the inexperienced people who replace them need years to gain confidence When experienced staff leave, the inexperienced people who replace them need years to gain confidence V isiting the magnificent Angkor Wat temple in Cambodia, my elderly dad resolutely navigated the steep stairs as I held my breath. My mother, less mobile and more wary, stayed at ground level but the 12th-century ground wasn’t exactly smooth. All I could think was “falls risk”, which casually