By Sarah Tetteh & Jessica Gibb Prince William would rather ‘keep Harry at arms length’ during his May visit for a sad reason, according to a royal expert. Prince Harry is expected to return to England from his home in California in May. The Duke of Sussex is thought to be hoping to reconcile with his older brother amid their ongoing rift. Now Royal expert and author Tom Quinn has revealed the reunion Harry had hoped for might not be that straightforward. In an exclusive chat with The Mirror, Tom said: “William would much rather keep Harry at my arms length, simply because of this trust issue –…