Donald Trump joined in on the election analysis Sunday by weighing in on how he thinks Vice President Kamala Harris’ campaign made a “big mistake.” Trump, who defeated Harris by sweeping all seven battleground states, took to Truth Social over the weekend to offer his perspective on what was the vice president’s downfall. Specifically, the former and incoming president gave a scathing indictment of Democrats’ decision to involve Republican Liz Cheney in the campaign. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: Ecstatic J6 offenders look forward to…