The important thing about groupthink is that it works not so much by censoring dissent as by making dissent seem somehow improbable.
Fame or perceived success - it all comes from groupthink.
The tendency of those committed to the theory of catastrophic man-made global warming to unquestioningly adopt the assumptions, at every stage, that maximise the expectation of calamity should alert us that groupthink is driving the movement.
You ever want to know what consensus and groupthink and conventional wisdom in Washington is, just find what David "Rodham" Gergen is saying and you'll find out what 99% of 'em are thinking.
Sisterhood is a powerful metaphor; it ought not become a synonym for groupthink.
Being a wiseass in a groupthink environment is like throwing an egg at a bulldozer.