Former President Donald Trump, left, and Vice President Kamala Harris debate on Sept. 10, 2024.AP Photo/Alex BrandonRodney Coates, Miami University and Lee Banville, University of Montana As the two presidential candidates entered the debate stage, Kamala Harris strode across it and offered her hand to Donald Trump to shake, setting a confident tone that didn’t flag throughout the debate. Trump, appearing to grow angrier through the night, stuck to his well-trodden themes of American decline and reminded viewers that Harris was part of the Biden administration, which he blamed for that decline…