The objection that co-ed submarines would be logistically problematic has always seemed to me to be a reasonable concern on the part of the Navy, but the obvious remedy wasn't to ban women from submarines it was to create some all-woman submarine crews. Now it looks like the Navy's going to take things in that direction.
Colorado is now well into its first year as the first state to legalize recreational marijuana. How's it going? James Hamblin visits Aspen.