All this talk about security queues etc. all seem to use the same unit i.e.
My lad arrived in DFW yesterday at 1608 (well done BA for making up a 37 min delay). Only just (hold the door moment) made connection in next terminal, departing 1905. And that place has supposedly been modernized!
Without making this thread a DFW discussion, MAN's problems seem trivial and considering action is already being taken, albeit slowly, things are looking up.