Biden, Obama, celebrities expected to raise at least $28 million

President Biden and former President Obama appeared on stage together Saturday night in Los Angeles with late-night host Jimmy Kimmel — a conversation that included poking fun at former President Trump, touting the Democratic incumbent’s policy achievements and trying to motivate voters to head to the polls in November.“I could have done nothing and done better than him,” Biden replied when asked about the former GOP president, whom Kimmel referred to as “Orange Julius Caesar,” before touting the strength of the nation’s economy, the low unemployment rate and other…