Jules Witcover

Witcover: Biden keeps the flame flickering

Witcover: Biden keeps the flame flickering

At age 74, Joe Biden has announced formation of a new political action committee called American Possibilities. He say it's a call to reawaken the nation's track record of "ordinary people doing extraordinary things," including finding a cure for cancer, a cause to which he dedicated his life after the death of his son Beau during his second term as vice president.

Inevitably, the announcement triggered new speculation that he might make a third try for the Oval Office, in spite of his age. (He would be America's most elderly president if elected in 2020.)

At a Democratic function in Las Vegas in late April, he replied to a question about another run: "Could...