Senator Tammy Duckworth talks with Rachel Maddow about why she feels Donald Trump's secretary of defense, Pete Hegseth, ...

Donald Trump says the scandal over his top officials discussing secret military plans in an unsecured group chat is just a "glitch" in an otherwise perfect first two months in office. Rachel Maddow ...

According to a Canadian study, people can de-age their brain by up to 10 years simply by turning off one simple feature on ...

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