plus, covid s come back. holiday weekend travel snagged by staffing shortages while covid looms large. and later: today may be different but it is still not treating people like we want to be treated. an octogenarian confronting racism head on. this is the cbs weekend news from chicago with adriana diaz. tonight, no capturing of level of airchg he in uvalde, texas, gunman took 21 lives in the nation s 27th school shooting so far this year. today, in his commencement address at the university of delaware, president joe biden remembered the young lives lost. as i speak, those irnts pa are literally preparing to bury their children. in the united states of america. to bury their children it s too much violence, too much fear, too much grief. we cannot outlaw tragedy, i know. but we can make america safer. cbs s omar villafranca is in uvalde, texas for us. omar, good evening. reporter: good evening. thousands of people have streamed into this park in uvalde to cry t