Pro-cease-fire outbursts have interrupted a series of public appearances by Biden and his aides in recent weeks, including a climate speech Tuesday by USAID Administrator Samantha Power where someone in the audience urged her to “resign and speak up.” “27,000 people have been killed,” the person called out during the former U.N. ambassador’s speech on “climate shocks” at Johns Hopkins University’s Bloomberg Center in Washington. “You know what would cause a lot of climate shock — is the bombardment of Gaza.” Earlier this month, audience members chanted “cease-fire now” during Biden’s remarks on extremism and democracy at Mother Emanuel AME...