When you look at the breadth of President-elect Donald Trump’s victory, it’s impossible to pin Democratic losses on just one or two things. This is not a situation where the outcome would have been different if President Biden had done X or Vice President Kamala Harris had done Y. In fact, had both Biden and Harris done everything “right,” Trump likely still would have won. The culprit for the Democratic Party’s sweeping losses is bigger than any one particular candidate. In 2016, I left the Republican Party and became a Democrat. In many ways, I feel as if the GOP...