Donald Trump’s campaign is in a tailspin this week as the Republican presidential nominee’s attacks on Kamala Harris fail to land, one Democratic strategist told Anderson Cooper Wednesday. “It’s very clear the former president is unraveling. He’s having a complete meltdown,” Ashley Etienne, a former Joe Biden staffer and political advisor, said during a segment on Cooper’s CNN show. “Kamala Harris has got him a chokehold that is really driving him to the point of insanity, and really driving his campaign to the point of paralysis.” Etienne points out that Trump’s rise in the polls has flatline…