President Joe Biden asked a heckling crowd member in Tempe, Arizona, to “shush up” during a speech announcing funding for the McCain National Library on Thursday, September 28.Footage shows Biden being interrupted by a heckler about five minutes into his speech at the Tempe Center for the Arts.“Hang on a second, " Biden says, “I’ll be happy to meet with you after I speak, okay?”The protester continues, shouting “Why have you yet to declare a climate emergency?”Biden responds: “I’ll tell you what, if you’ll shush up I’ll meet with you immediately after this, okay?”He then continued his speech, garnering cheers after declaring: “Democracy never is easy… as we just demonstrated.”Biden was in Arizona to announce a federal grant to the state of Arizona to help build a new McCain National Library at Arizona State University. Credit: White House via Storyful