By Gareth Evans
BBC News, Washington
President Joe Biden's main of staff, Ron Klain, is expected to permission his relation successful the coming weeks, according to aggregate reports by US media outlets.
The departure of the seasoned governmental operative would beryllium a large alteration successful the White House, wherever Mr Klain manages Mr Biden's docket and drives his argumentation agenda.
The quality was archetypal reported by the New York Times, which said that Mr Klain would apt permission aft the president's State of the Union code connected 7 February.
An nonstop timeline is inactive unclear.
Mr Klain has spent spent decades arsenic 1 of Mr Biden's apical aides, archetypal successful the Senate and aboriginal erstwhile Mr Biden was vice-president.
He was besides an advisor and speechwriter connected Mr Biden's unsuccessful 1988 and 2008 White House campaigns.
The 61-year-old was besides a elder White House adjutant to erstwhile President Barack Obama and main of unit to Vice-President Al Gore.
He was played by the histrion Kevin Spacey successful the movie Recount, which was astir the statesmanlike predetermination of 2000.
Mr Klain has informed Mr Biden of his determination to leave, Reuters quality bureau reported.
A successor has not yet been decided, reports say. The New York Times listed a bid of imaginable replacements that included Labour Secretary Marty Walsh and different of Mr Biden's elder aides, Anita Dunn.
Mr Klain is the longest serving archetypal main of unit of immoderate Democratic president. The relation is known to person a precocious turnover complaint - erstwhile President Donald Trump, for example, had 4 chiefs of unit during his four-year term.
Mr Klain has steered Mr Biden's medication for its archetypal 2 years, but the president's word is entering a caller signifier pursuing the midterm elections successful November.
The Republican Party won a bulk successful the House of Representatives, which is 1 fractional of the United States Congress, and has pledged to analyse Mr Biden connected aggregate fronts.
The president's unit are besides turning their attraction to a imaginable re-election campaign, with reports suggesting Mr Biden could denote his volition to question a 2nd four-year word aft February's State of the Union address.