When Donald Trump tells 150 million of his followers that Kamala Harris is lying about her campaign rally crowd sizes, mainstream media — and the Department of Homeland Security — should pay close attention. Trump isn’t just licking his wounded ego. He’s test marketing “Stop the Steal” redux. Trump began spreading false claims about the November 2020 election in April 2020, months before the first vote was cast. By early January 2021, his false claims crescendoed in a violent attack at the U.S. Capitol, costing five people their lives, causing $3 billion in damages and wounding American democr…