Harris to oppose sale of U.S. Steel to a Japanese firm during Pittsburgh event  CBS NewsBiden teams up with Harris on campaign trail for 1st time since dropping re-election bid against Trump  Fox NewsHarris makes pitch to union voters in ‘blue wall’ states  The Washington PostElection Live Updates: Democrats Court Blue-Collar Voters With Campaign Trail to Themselves  The New York TimesHarris to back US ownership of US Steel, in blow to takeover by Japanese company  CNN