The MailboxBy: Audrey Shafer For readers of Unbroken and Flags of Our Fathers, The Mailbox is a sympathetic portrayal of veterans and the burdens they carry throughout their lives. Vernon Culligan had been dead to the town of Draydon, Virginia, so long that when the crusty Vietnam vet finally died, only one person noticed. Twelve year old Gabe grew up in the foster care system until a social worker located his Uncle Vernon two years before. When he comes home to