A Democratic strategist blasted former House Speaker Nancy Pelosi on Wednesday, accusing her of being a backstabber and shifting attention off Vice President Kamala Harris onto herself. Chris Jackson took to the social media site X on Wednesday, ahead of day three of the Democratic National Convention, to air his grievances over a Washington Post report headlined “Pelosi makes no apologies at DNC for her role in Biden’s ouster.” When asked if she has any regrets about her role in pushing President Joe Biden out of the race, Pelosi retorted: “Why would you ask me that question? You know, I’m a …