The cost of tickets to attend a Prince Harry event on his tour to Australia later this week have been slashed and are now on sale at half price. Harry and wife Meghan arrive Down Under on Thursday for a series of appearances but ticket sales for the various events are not going well. As well as ticket prices being cut for Harry’s speaking engagement Meghan’s exclusive retreat event has not sold out with organisers last night releasing unsold tickets. Demand for Harry's appearance at the