Boom Supersonic: ‘Anywhere in the world in four hours for $100’

The aviation industry is in crisis, there’s a global push to cut carbon emissions, and many of us haven’t stepped on a plane or hugged far-flung loved ones in more than a year.http://rss.cnn.com/~r/rss/edition_travel/~3/fxt6RNvDdlQ/index.html