Jackson did not say what, specifically, concerned her about the state of democracy, though she has recently written a series of scathing dissents.

Jackson, a nominee of former President Joe Biden, was recently ripped by fellow Justice Amy Coney Barrett in a ruling on birthright citizenship.

J ustice Ketanji Brown Jackson, in her first public appearance since the Supreme Court sharply limited the ability of federal judges to check presidential power, said Saturday she believes recent rulings by the court's conservative majority pose an "existential threat to the rule of law."