Eugene Volokh gathers the background check data to prove that there really has been an Obama bump in gun purchases. In every month since November, background checks for gun purchases have been more than 20 percent above the number for the same month the previous year, as high as 42 percent more in November, and only as low as 23 percent more for February.

For much, more more on guns and government in America, read my new book Gun Control on Trial.