supreme court justice. >> could you talk about the significance of the d.c. district court because it has funneled a lot of judges into the federal courts. merrick garland is actually the chief justice, basically kavanaugh's boss on the d.c. district court. >> that's right. the d.c. court of appeals has sent a number of judges to the supreme court. it is arguably the most influential of the circuit courts because it takes cases about executive power and presidential authority. you know, it oversees the white house and at midministrative actions. kavanaugh has a lot of rulings on the issue of executive power. he has written more than 300 opinions. i think one of the issues will be on regulation, he has taken a skeptical view of agencies like