evidence: White House chief of staff Ron Klain, the powerful force at the center of Joe Biden’s first two years in office, is expected to step down in the weeks after the president’s State of the Union address, according to multiple people familiar with his plans. [...] Klain then worked as a lobbyist and political adviser and was involved in John Kerry’s 2004 presidential campaign. He reprised his role as the vice president’s chief of staff early in President Barack Obama’s administration, working again for Biden. [...] CORRECTION: An earlier version of this story misstated the date Joe Biden announced that Ron Klain would serve as his chief of staff. It was November 11, 2020.