Democrats’ stinging Virginia defeat raises stark questions for Biden’s tenure

Analysis: Glenn Youngkin's victory comes as the president's agenda has stalled and danger looms for the party in Congress

Joe Biden exuded confidence. We're going to win," the US president told reporters before departing Cop26 in Glasgow. I think we're going to win in Virginia."

But as Biden returns to Washington, he faces questions about why his prediction was so wrong - and whether Democrats' loss in the most important election of the year will send his presidency into a downward spiral.