Kieran McCartney, who is a candidate on this season's The Apprentice, has exclusively revealed his choice to replace Lord Alan Sugar on the popular BBC show.The contestant, who has become one of the standout personalities in this year’s series, told GB News he believes that one of Lord Sugar's trusted aids would be the perfect successor to the long-running host.When asked who could step into Lord Sugar’s role in the future, Mr McCartney said: “I…