The 91-year-old Colorado Republican who challenged former President Donald Trump’s eligibility to be on the state’s primary ballot referenced the existential threat to democracy and invoked Nazi Germany’s Adolf Hitler when explaining why she got involved in the case that came before the U.S. Supreme Court for oral arguments on Thursday. “You have to remember, as old as I am, I was born in the Great Depression,” Norma Anderson, who previously led the Colorado Senate and House of Representatives, told NPR. “I lived through World War II. I remember Hitler.” “I remember my cousin was with [then-U….