Pressure Differentials News Today

in the united states and around the world. im alex marquardt in washington. >> and im anderson cooper on the canadian coast. a new mission to investigate the debris of the imploded submersible. the company under intense scrutiny, as were learning about early warnings that the sub might be unsafe. cnns new reporting on the special counsels january 6th investigation. sources revealing that at least two fake trump electors were given limited immunity in exchange for their grand jury tes...

But these vessels typically needed to be pressure tested more often. and they typically have additional safety measures. and they almost always fail way earlier than a comparable steel structure. >> rachel, what would testing it more often -- this was only done seasonally. so, if they had tested between each use, would that be possible? would that have detected something? how rigorous kind of testing does it need to be? >> it depends on if youre doing it properly. so, when done properly, that ki...