 WDEL, WSTW HD2 Wellington, WDEL FM Canton, a forever media station. From the Highmark Blue Cross Blue Shield Sponsored Studio. This is CBS News on the Hour, sponsored by Progressive Insurance. I'm Linda Kenyon. The Biden administration and campaign continue to push back on calls for the president to end his reelection bid out of concern he won't be able to defeat former President Trump. CBS's Natalie Brand reports.