“The president thinks there’s an extremist threat to our democracy,” White House press secretary Karine Jean-Pierre said at a press briefing in what appeared to be a preview of the president’s remarks, which he will make from Philadelphia’s iconic Independence Hall. The speech will focus on a “battle for the soul of the nation,” according to the White House. The theme is an allusion to Biden’s 2019 announcement that he was seeking the presidency, a campaign that he said in a video was inspired by the white supremacist riot in Charlottesville, Va., two years before.