Steve Dettelbach, the man President Biden chose to lead the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), followed in the footsteps of other Biden administration officials who have been stumped by seemingly straightforward questions from lawmakers, questions that deal with subjects within what is supposed to be their purview. On Tuesday, Director Dettelbach was asked by Rep. Jake Ellzey (R-TX) to give a brief, 15-second definition of the term "assault weapon," the thing President Biden and Democrats have demanded must be banned within the United States in order to reduce the frequency of crimes committed by individuals with guns....