Anti-Trump Republicans including a GOP strategist who watched Kamala Harris introduce new running mate Tim Walz at a raucous rally Tuesday night believe Donald Trump is seething after watching her speak. Trump raised eyebrows Tuesday afternoon as he railed against Democrats, calling Kamala Harris’ campaign a “coup” and accusing Joe Biden of secretly wanting the nomination back. Rick Wilson, of the never-Trump group The Lincoln Project, took to X on Tuesday to share his thoughts on the former president. Want more breaking political news? Click for the latest headlines at Raw Story. “I promise y…