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04:08 — Wisconsin Senator Tammy Baldwin joins NBC's Katy Tur to discuss whether Donald Trump truly grasps the nuances on of the Affordable Care Act.
04:43 — Chris Hayes talks to the first openly gay U.S. Senator Tammy Baldwin about the Supreme Court's 5-4 ruling on same-sex marriage.
07:20 — Senator Tammy Baldwin, D-Wisc., who was the first openly-gay Senator elected to Senate, joins to talk about the Supreme Court's historic decision on s (more…)
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