26
ALEXANDER v. SOUTH CAROLINA STATE CONFERENCE
OF THE NAACP
KAGAN, J., dissenting
disputed the charge of racial discrimination. But they could
not keep their story straight or make it believable to three
judges. The more the officials talked, the more the court
became convinced that, to create a red District 1, they had
divided citizens by race. And that, again, was even before
the statisticians took center stage.
B
Once the statisticians did so, the Challengers’ case was
clinched—at the least, from a clear-error perspective. Consider how much the controverted issue lent itself to statistical evidence. That issue began with a simple fact: The
part of Charleston County that the mapmakers excised
from District 1 was (vastly) disproportionately Black. The
dispute was about what caused that disparity. Statistical
evidence showing that it could have arisen from political
sorting would significantly benefit the State’s defense. Conversely, statistical evidence showing that the racial disparity could not have arisen in that way would significantly
benefit the Challengers’ case. So you might think that the
trial would feature a war of statistical experts, each presenting their own multivariate regressions. But you would
be wrong. The Challengers did their part, but the State
failed to respond in kind. Rather than submit its own statistical studies, the State devoted all its efforts to trying to
pick apart the Challengers’. It thus anticipated today’s majority, which (given the unbalanced record) can do nothing
more than search for holes, however minute, in the Challengers’ expert evidence. But two separate studies emerge
unscathed, and with significant probative force—fully sufficient on clear-error review to justify the District Court’s
conclusion. Each analysis was designed to answer the critical question: whether Charleston County was split as it
was based on its residents’ race. And each found that it
was. Even controlling for political preference, Black voters