Boston Globe travel writer Christopher Muther talks about the impact of the government shutdown on air travel, why international tourists are skipping the U.S. and therapy dogs at Logan airport. Kelly Beatty from Sky & Telescope on a “Boston Henge” phenomenon in Back Bay, the Smithsonian's plans to get the Discovery shuttle to Texas and an asteroid that's maybe headed for the moon in 2032.  Gabrielle Hamilton is the James Beard-winning chef behind the New York restaurant Prune, and author of “Blood, Bones & Butter.” She joins to talk about her latest, a memoir called “Next of Kin,” ahead of an appearance tonight at Harvard Book Store.  Jody Adams and Aidan McGee are the chefs behind La Padrona and McGonagle’s Pub, two Boston restaurants recognized in the New York Times’ list of the 50 best restaurants across America. They talk about their food and what this good press means for their business.