As the Trump administration puts pressure on free speech, Sen. Chris Murphy (CT-D) joins ABC's Jon Karl on "This Week" to discuss the Democratic pushback – plus the latest on the prospect of a government shutdown; After RFK Jr’s newly appointed vaccine advisory panel voted to make the COVID-19 vaccine “a personal choice,” and postponed other key decisions, Dr. Rich Besser talks about the effects new vaccine guidance will have on public heal; Chris Christie and Stephen A. Smith discuss the Trump administration’s pressure on free speech and campaign against his critics, and pushback from some top Democrats over revelations in former Vice President Kamala Harris' new book.

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