This 5-year-old presidential expert is one of the most hilarious and adorable guests of all time.\r<br>\r<br>Ellen sent her young presidential expert on the trip of a lifetime.\r<br>\r<br>Ellen Meets Macey Hensley.\r<br>\r<br>Young presidential expert Macey Hensley took an unforgettable trip to the Reagan Library!\r<br>\r<br>Ellen challenged Kevin Spacey, the President on House of Cards, and her presidential expert Macey to a trivia game for the history books.
