Kamala Harris squandered the many chances she had on the campaign trail to distance herself from the unpopular incumbent president who she replaced on the Democratic ticket, and that calculation likely contributed to her bruising election night loss, a Washington Post columnist said Thursday. “I think we will be litigating this and relitigating this for many years to come,” Washington Post columnist Catherine Rampell told CNN’s Abby Phillip Thursday during an appearance on “NewsNight.” Rampell continued her post-election analysis by saying that President Joe Biden should have dropped out of th…