As he began his 2024 reelection campaign on Friday, US President Joe Biden launched the most severe attack he has yet to level against Donald Trump, charging the Republican with sounding like Nazi Germany and endangering democracy. The 81-year-old Democrat branded his likely challenger in November a “loser” and “sick” in a speech on the eve of the third anniversary of the deadly January 6 Capitol attack by pro-Trump supporters. “He’s willing to sacrifice our democracy, put himself in power,” Biden angrily yelled at his supporters, spitting out angry shouts in between his attacks on the candidate he defeated in...