[contentcards url=”https://nypost.com/2024/11/07/us-news/gloomy-nancy-pelosi-ducks-questions-on-swapping-out-biden-for-harris-gets-heated-with-donna-brazile-at-vp-concession-speech/”] By Josh Christenson A glum-looking Nancy Pelosi avoided The Post’s questions Wednesday about her role in swapping in Kamala Harris for President Biden as the 2024 Democratic nominee…