Only a few weeks after winning the April runoff election, attorney Lori E. Lightfoot was sworn in Monday morning as mayor of Chicago.By Monday afternoon, Lightfoot was in her new office laying groundwork for reforms to the way city government operates.Lightfoot vowed to continue the “critical pieces of police reform and accountability” and tackle the city’s gun violence in her inaugural address Monday inside Wintrust Arena.In her speech, Lightfoot said she will create a Mayor’s Office of Public …