Bloomberg TV features programming daily where the anchors co-host the show from both London and New York at the same time. Interaction between the co-hosts at the different locations are instantaneous and there is no noticable latency whatsoever, despite the distance.
However, when they have an interviewee on-air that is not in any one of the main studios, via what seems to be internet video or satellite, there is a noticeable latency.
How does Bloomberg TV and other major media manage to do co-hosting, in regards to latency?
Is London–New York latency not a big issue in live television? Or do they rent bandwidth on some sort of super-speed internet connection over the Atlantic?