Before he left, he swiveled and stood on his tiptoes. He teased a guitar, sneered and shimmied, and left a tide of swooning females in his wake. Yes, he’s gone, but The King meant a lot to people who still cherish his life and mourn his departure. Look past him, though, and you’ll see the man behind him, inside the new book “Elvis and The Colonel” by Greg McDonald and Marshall Terrill.