The sound alone is enough to stop you in your tracks. For the last two days, the skies over Charleston have thundered with the unmistakable roar of the Blue Angels as they prepared for tomorrow’s air show. Their precision is breathtaking. Their speed almost impossible to comprehend. And somehow, even knowing the science and engineering behind it all, it still feels a little like magic. As I stood watching them soar near the Arthur Ravenel Jr. Bridge, I found myself thinking a