wisconsin, who defeated his own wife last week, who is also a contributor. lauren had the week off for training. do you feel rested and ready? >> i hope it will give me an advantage, these are two returning champions. >> tucker: you know the rules but i will restate them. hands on buzzers, i ask the questions and the first one to buzz in answers the question. you must wait until i finish asking the question until you answer. you can answer once i acknowledge you by saying your name. every correct answer gets you one point. lose a question and a point is retracted from your total. a are you ready? >> i'm ready. >> tucker: these are tough. i didn't know the answers. question one, this is a multiple-choice question. amazon's newest delivery system is a four wheeled robot that will bring your package to the door. that is what america needs. what is the robot's name?ll a, rover.