David Koch, billionaire conservative activist and philanthropist, dies at 79
He and his brother, Charles Koch, helped to build a massive conservative network of donors to support libertarian-leaning economic policies.
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Diet & Fitness
How to marinate just about anything
What's the best way to marinate everything from chicken to vegetables to tofu? Katie Workman has a primer on all things marinade.
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Journey to power: The history of black voters, 1976 to 2020
NBC News has assembled for the first time a record of the black vote for each competitive Democratic presidential campaign since exit polling began.