Nisian Hughes/DigitalVision via Getty Images Blade Air Mobility, Inc. (NASDAQ:BLDE) reported solid results in Q2, achieving its first positive adjusted EBITDA quarter as a public company. Medical revenue continues to grow and jet revenue bounced back in the second quarter. Overall growth is sluggish, though, as Blade has been pulling back from activities with questionable economics, creating a growth headwind. I previously suggested that while Blade's valuation was low, it was on a collision course with Tra ...