Fashion is all about trends, so it’s not too surprising that many people decided to take a “wait and see” approach when designers began rolling out a transparent bag to their collection and praising their virtues. Even as many buildings, businesses, and venues announced new security policies. The NFL announced a blanket transparent bag rule for its stadiums, many people still held back and hoped it was all just a passing fad. Unfortunately, as recent events in Dallas have proven, once security concerns get involved it stops being all about fashion trends and starts being the sort of permanent change…