would be those three duties if we were to get 100% right? >> okay, let me see if i can get 'em. [laughter] one is as the executive of the nation, he is to see that the laws are faithfully executed. he appoints the federal judges, ambassadors, members to his cabinet with the advice of the senate and their consent, of course. and let's see, a third one, um, he -- as, again, the chief of the nation, he oversees foreign policy. jenna: okay. so we should all be able to rattle those off at the top of our head. how about this one, who first discovered the following places? i'm just going to pick one. who first discovered the mississippi river? do you know, jon? jon: that's the one i don't know. jenna: david, who first discovered the mississippi river? >> for some reason i remember it's desoto, i believe, discovered that. and, of course, those questions are controversial nowadays in themselves. you know, native americans were