Mark Arabo, a delegate from San Diego, said the crowd at the Democratic National Convention was "very emotional" listening to President Biden speak on night one. “It was very emotional, he was telling the crowd to ‘Calm down,’ if he didn't, we would’ve [cheered] for another 20 minutes,” Arabo said. He was on the convention floor Monday night. “It was incredible, and [President Biden] deserves it.” “I think everyone in that room cried, and whomever said they didn't check the tape! Check the tape and run it back,” he laughed. Former President Barack Obama, Michelle Obama and second gentleman Doug Emhoff will speak Tuesday on the second day of the Democratic National Convention, turning the party’s attention toward Vice President Kamala Harris and her faceoff against Republican Donald Trump. MORE: https://www.cbs8.com/article/news/nation-world/dnc-day-2-democrats-look-to-the-future/507-6654d012-bf1c-4807-a61e-8b612472d34a