By Adam Bloodworth Prince Harry has spoken to ITV ahead of the release of his book Spare. In the hour-and-a-half-long interview, filmed in Los Angeles, Harry went into more detail about his claims about his fallout with The Firm. He also describes the alleged assault by his brother in more detail and the trauma of the death of his mother Diana. “He wanted me to hit him back, but I chose not to” Prince Harry claims in the ITV interview that his brother William “wanted” him to retaliate after the physical assault Harry claims his brother launched into. Harry also goes into more detail about clai…