The first week of testimony in Donald Trump's NY criminal trial ends with his former personal assistant and Michael Cohen's banker taking the witness stand. Plus, as campus protests continue over the war in Gaza, how Biden's response could affect his standing with young voters. Also: how Amazon went from bookseller to e-commerce giant. Jon Allen, Jon Mecham, David Jolly, Dana Mattioli, Ankush Khadori, Eugene Scott, John Della Volpe join.