The consequences of errors and lies on old world maps

Long before satellites and Google, cartographers traced out maps of the world, some with errors that persisted for hundreds of years. In "The Phantom Atlas," author Edward Brooke-Hitching compiles the greatest "myths, lies and blunders" on maps, from honest mistakes to deliberate lies. Brooke-Hitching spoke with the NewsHour Weekend’s Megan Thompson about this history and its legacy.