Democratic California Gov. Gavin Newsom said he was pinching himself after watching delegates formally nominate Vice President Kamala Harris to the top of the ticket at the Democratic National Convention — and then slammed her MAGA opponent by likening the election to darkness versus light. Speaking with CNN anchor Kaitlan Collins on the floor of the DNC in Chicago, Newsom shared how he couldn’t believe he was standing there as governor announcing more than 400 votes for his pal Harris. “It’s just surreal. Just an obvious point of pride,” he said. “What a point of privilege and what an opportu…