New book details how Austin, Texas, lost its ‘magic’ — and the larger threat its trajectory may represent 

Austin’s “magic” has slipped away thanks to poorly planned development run amok, a new book argues. In “Lost in Austin,” out Tuesday, journalist Alex Hannaford details how spiking rents have sent development sprawling into the city’s ecologically sensitive hinterlands — increasing traffic, sucking up the source of its water and potentially spelling a warning for…