From left: the archbishop of Canterbury, the first lady, Stephen Colbert.
Stefan Rousseau/WPA Pool/Getty Images; Heather Diehl/Getty Images; Amy Sussman/Getty Images
hide caption
toggle caption
Stefan Rousseau/WPA Pool/Getty Images; Heather Diehl/Getty Images; Amy Sussman/Getty Images
Do YOU know who Tom Bombadil is? If so, you might get at least one question right this week!