Chicago activists welcomed word of a “complete and total ceasefire” in the war between Israel and Iran at a downtown protest Monday evening but said they were cautiously optimistic and urged continued agitation. The protest at Federal Plaza attracted about 200 people despite Monday’s extreme heat. Demonstrators called for the United States to stop bombing Iranian nuclear sites, among other demands. Many condemned U.S. military aid to Israel, supporting its war in Iran and also in Gaza, which has lasted nearly two years. President Donald Trump said on social media Monday that Israel and Iran have agreed to a ceasefire...