In 1 Peter 2:9, we're told we are “a chosen race, a royal priesthood, a holy nation, a people of his own, so that you may announce the praises” of him who called you out of darkness into his wonderful light. What is this "royal priesthood" Peter refers to? How is it different from the ordained priesthood? And what does it mean for us as Catholics?Dr. Matthew Levering, theology chair at Mundelein Seminary, explains.