Planetary defense concerns

President Donald Trump issued a course-setting presidential executive order on Thursday that looks more like the national space strategy for which many, in and out of government and across a myriad of space-related sectors, have been waiting. Laura Winter speaks with Peter Garretson, a Senior Fellow at the American Foreign Policy Council, who is also the author of three books, the latest of which is “Space Shock: 18 Threats That Will Define Space Power”.