of safety in air travel, it s fairly remarkable things have gotten to this point with a public battle between two hugely important industries the day before the technology launches. here s the aviation analyst sally gethins. there s been a lack of coordination between there s been a lack of coordination between the there s been a lack of coordination between the two there s been a lack of coordination between the two different - between the two different regulators between the two different regulators. you between the two different regulators. you have - between the two different regulators. you have thel between the two different - regulators. you have the fcc, which governs regulators. you have the fcc, which governs the regulators. you have the fcc, which governs the vacancy regulators. you have the fcc, which governs the vacancy allocation - regulators. you have the fcc, which governs the vacancy allocation of. governs the vacancy allocation of 56, governs the vaca