Weekend Roundup

On the CBS News Weekend Roundup, Former Minneapolis Police office Derek Chauvin has been sentenced to 22 and a half years in prison for the murder of George Floyd. President Biden announced a new strategy to combat gun violence. CBS's Natalie Brand reports. CBS's Peter King reports from Surfside, Florida, where a apartment building collapsed, killing four, and leaving over a hundred unaccounted for. After months of back and forth, there's an infrastructure deal, CBS News White House Correspondent Steven Portnoy tells us more. Major changes could be coming in how sexual assaults in the military are investigated. CBS's David Martin reports. There are ominous developments ahead of the U-S withdrawal from Afghanistan CBS's Cami McCormick tells us more. Hundreds of more unmarked graves have been discovered at the site of an old residential school in Canada. Allison Bamford reports. The Summer Olympics are less than a month away. CBS's Lucy Craft reports from Tokyo on the upcoming games. Pop star Bri