Jeffrey Toobin: “Fortunately, Mr. Biden has time to redeem, or at least improve, his legacy on pardons. To state the obvious, the younger Mr. Biden is not the only person who got a raw deal from prosecutors. For better or worse, the lame duck period of modern presidencies has served as pardon season, and the president now has the chance to take some bold steps for people who don’t have friends, or a father, in high places.