A video meant to sell children on the wonders of space exploration featured Vice President Kamala Harris giving a memorably loopy performance alongside a quintet of child actors who auditioned for their roles, it was revealed Monday. “All five of them are actors,” Carlo Bernardino, whose 13-year-old son Trevor was one of the youngsters taking part, told the Washington Examiner. “He’s a child actor — he’s been trying to do this type of thing for a while. And so he has a manager and an agent in LA and they send him castings.” Trevor Bernardino told KSBW that he was...