def show(id)
      post = @posts[id.to_i-1]
      return puts("\nMake a valid selection. Pretty please?\n") unless post
      puts post.more
      display
    end
def show(id)
      post = @posts[id.to_i-1]
      return puts("\nMake a valid selection. Pretty please?\n") unless post
      puts post.more
      display
    end
Displays all of the star tables and information we have.

 Returns nothing.
 Show more information about a particular post.

 id - the Integer id entered by the user, which we map to a Post

 Returns nothing (although does delegate to the Post to show #more).