Although it claims to delve into political issues, television can be <superficial such as when each of the three major networks> broadcast exactly the same statement from a political candidate.
(A) superficial such as when each of the three
major networks
(B) superficial, as can sometimes occur if all of the
no.... three major networks each boradcast...<-okay each of the three major networks boradcasts...<-okay three major networks each boradcastS...<-NOT okay
each of the three major networks boradcast...<-NOT okay you can look up a usage book....a CDer posted an excerpt of a usage book long time back...I forgot the link...