Recently lots of hubbub was made of the Ninth Circuit’s decision to uphold a lower court’s order blocking the Trump Administration from enforcing its executive order on immigration including President Trump’s immediate Twitter response of “SEE YOU IN COURT, THE SECURITY OF OUR NATION IS AT STAKE!” Right-wing pundits were quick to assail the Ninth Circuit’s credibility. Republican Senator of Arkansas Tom Cotton for instance released a statement saying “This misguided ruling is from the Ninth Circuit, the most notoriously left-wing court in America, and the most-reversed court at the Supreme Court.”

While it is true the Ninth Circuit’s decisions taken up by the Supreme Court for review are often reversed, other statistics show that it is not the most overruled of the federal courts of appeals. To take a deeper look at the question of the relative frequency with which the Supreme Court overturns decisions from the various…