Washington Examiner economics columnist Tiana Lowe Doescher weighed in on the shutdown of Spirit Airlines, suggesting the collapse highlights broader problems with government intervention in the airline industry. “I’m trying to think of a better example of the overzealousness of [Joe] Biden blocking [mergers and acquisitions] and how we are all worse off,” she said Monday on Newsmax’s The Right Squad. “Because now you have, guess what? The big f…