Three years after the US Capitol attack on January 6, President Joe Biden will attempt to jumpstart his 2024 campaign on Friday with a dramatic address warning that democracy is at peril from Donald Trump. In an address close to the famous US independence war site of Valley Forge in Pennsylvania, the 81-year-old Democrat, who is either lagging or tied with Trump in recent surveys, will paint his probable Republican opponent as a menace to the country. The address was pushed forward one day, to Saturday, the third anniversary of the Capitol attack by a pro-Trump mob attempting to void...