On this week's "CBS Sunday Morning," baseless allegations of election fraud amplified by President Donald Trump fueled the violent siege on the Capitol last January 6, intended to stop the Electoral College certification of Joe Biden's victory. CBS News chief Washington correspondent Major Garrett talks with Georgia Secretary of State Brad Raffensperger -- whom Trump tried to pressure to "find" enough votes that would win him the state -- and with other officials who fear denying the results of elections is chipping away at the integrity of our democracy.

Democratic Maryland Rep. Jamie Raskin witnessed the attack on Congress by insurrectionists on January 6, 2021, but he'd already experienced an even darker day, when his 25-year-old son, Thomas, took his own life. Correspondent Rita Braver talks with him about the pain of that loss, his new book, "Unthinkable"; and his determination to hold accountable those responsible for an attempted coup.

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