President Biden said Friday that former President Trump offered a “dark vision for the future” during his speech at the Republican National Convention the prior night, standing firm that he is not dropping out of the 2024 race. “Last night the American people saw the same Donald Trump they rejected four years ago. For over 90 minutes, he focused on his own grievances, with no plan to unite us and no plan to make life better for working people,” Biden said in a statement. Biden insisted he will again beat Trump in November, amid growing calls for the president to...