As the 2024 Democratic National Convention gets underway in Chicago, presidential nominee Kamala Harris is enjoying small single-digit leads over her GOP rival Donald Trump in many national and battleground state polls. Democratic strategists are hoping that the convention will give Harris a significant bounce and increase the size of her polling leads. Harris, however, is very cautious in her optimism and continues to tell reporters that she views herself as the “underdog” in the race. On Fox News and Fox Business, host Maria Bartiromo has often been an aggressive cheerleader for Trump. But o…