Royal expert reveals Kate Middleton's hope for Prince William to reconcile with Prince Harry.

Duncan Larcombe shares his insights in a candid chat with Closer magazine.

Leaving out Kate in the memoir may be Harry's saving grace, according to Larcombe.

Kate could be Harry's last hope of healing the family rift, says Larcombe.

An insider confirms Kate's plan to get the brothers together on US soil.

Harry's receptive to the idea of reconciliation, according to the insider.

William could build bridges with his brother and move on from the past.

The book's tone has been toned down significantly since the original drafts.

Kate's encouragement may be the key to healing the royal family's rift.