Trump nightmare: Could impeachment evidence turn GOP against him like Nixon?

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A key feature of Watergate is how Impeachment evidence ultimately turned Americans - across the spectrum - against Pres. Nixon, with Republican support falling by 41%. In this special report, MSNBC’s Ari Melber provides a detailed accounting of how public opinion shifted and why evolutions in media and journalism may account for the different reception for evidence that had emerged against Pres. Trump.