Et Tu, Biden? President Biden is so bitter about being forced to drop his re-election bid by top members of his own party that he’s deliberately sabotaging Kamala Harris’ campaign, according to a growing chorus of political pundits. Since being pressured out of the race in July over fears about declining cognitive abilities, Biden has done little for Harris beyond endorsing her, and has largely been a no-show at his vice president’s campaign events. He’s also pulled the spotlight from his intended successor on numerous occasions, including delivering his own comments last week on how the White House is responding...