Protesters rally outside of Democratic National Convention as Chicago officials pledge to keep peace  The Associated PressProtests erupt, Chicago businesses board up as the DNC kicks off Day 1 festivities  Fox NewsProtesters Gather in Chicago on Democratic Convention’s Opening Day  The New York TimesDemocratic convention live: Demonstrators fill Chicago park as Illinois governor says national guard ‘on standby’  The Guardian US’Uncommitted’ delegates want to keep the pressure up on Harris  POLITICO