Sen. Baldwin defends ACA protections for pre-existing conditions

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The future of Obamacare hangs in the balance as a panel of federal judges hear arguments from Republican-led states who say the individual mandate is unconstitutional. Senator Tammy Baldwin (D-WI), who sits on the Committee on Health, Education, Labor, and Pensions, spoke to Ali Velshi about how repealing the landmark law would impact millions of Americans.