Gunther's Millions,' heir to 'Tiger King,' shows how TV news can go to the dogs

After the hoopla Netflix unleashed with "Tiger King," its latest docuseries oddity might involve a different four-footed creature. Like that earlier sensation, "Gunther's Millions" is really about the strange people featured, but its true insights expose how gullible media can be taken in by a too-good-to-be-true (or too-fun-to-fact-check) story -- in this case, a German shepherd with a $400-million trust fund.