(The Center Square) – Protesters clashed with police on Day 1 of the Democratic National Convention Monday with more demonstrations expected. During a security briefing as the day’s activities were getting underway, Chicago Mayor Brandon Johnson said Chicago is ready. “The city of Chicago is really good at things like this,” Johnson said. “It’s the reason why we’ve hosted more national and political conventions than anywhere else in America.” Chicago Police Superintendent Larry Snelling was asked about the potential that protest groups would get inside the perimeter. “No one will be allowed wi…