A political scientist and author is warning that former President Donald Trump is already laying the groundwork for what could be another violent insurrection if he loses the November election. In a Friday night interview with CNN, Barbara F. Walter — who wrote the book How Civil Wars Start — said Trump has so far been repeating the same rhetoric from his 2020 campaign. She observed that unlike most conventional presidential candidates, Trump is literally running for office to remain a free man. According to Walter, this means doing whatever it takes to win, including fomenting political viole…