Democrats fret after Biden’s faltering debate performance

For months, President Joe Biden and his team have struggled to battle voters’ perception that he’s too old to serve another term in office. But in 90 minutes onstage Thursday night with millions of Americans watching, Mr. Biden delivered a performance that likely only aggravated those concerns. Speaking softly, stumbling over his words, and at times trailing off mid-sentence, Mr. Biden met former President Donald Trump for a historically early first debate. The best thing that could be said for the president is that there’s still enough time before the...