Q: The email account that is linked to my iTunes account is about to be shut off when we change our ISP. Is there any way I can re-link our iTunes account to an existing iCloud email address? It would seem simple as Apple says that you can just change your email address to a new one by editing your account details, but it seems to refuse to let me enter my iCloud address. I don’t want to have to sign up to a new email service just to get a new…