NewsNation host Chris Cuomo on Tuesday took aim at supporters of Vice President Kamala Harris, accusing them of attempting to stifle criticism against her to boost her chances against former President Donald Trump in November. Since Harris launched her presidential campaign on July 21, after President Joe Biden dropped out and endorsed her, her approval rating has jumped by over 7% to 45.7%, according to the FiveThirtyEight polling average. Cuomo, on “The Chris Cuomo Project,” argued that it is misleading to portray Harris as an outstanding candidate, given her flaws and previous unpopularity,…