Anew national CNN poll of the 2020 Democratic primary has some pretty brutal numbers for Kamala Harris. When CNN last polled the presidential race shortly after the first Democratic debate in June, Harris was on Joe Biden’s heels, trailing just 17 percent to 22 percent. But according to the latest survey by CNN, conducted August 15 to 18, Biden has rebounded to 29 percent, while Harris has dropped all the way down to 5 percent, tied for fourth place with South Bend mayor Pete Buttigieg.What went wrong for Harris?The second Democratic debate was a clear defeat for the California senator, but it’s now also obvious that her June debate performance was a Pyrrhic victory.At the first debate, Harris staked everything on attacking Joe Biden’s record on busing. It worked for her that night: Biden’s immediate response was hapless, Harris was widely declared the winner, and she got a significant bump in the polls.But Harris’s line of attack raised an obvious and problematic question for her: Wou
