Bret Stephens: Things I won’t have to worry about if Joe Biden is elected

If Joe Biden wins the Democratic nomination, I’ll worry that his candidacy might be doomed. Doomed by Sanders supporters who, out of pique, will sit out the election; doomed by a throwback messenger with no particularly stirring message; doomed by hints of infirmity that many voters find worrisome and that Donald Trump will exploit with crass efficiency.If, despite this, Biden wins the presidency, I’ll worry that, as a potential one-termer, he’ll bend too far to appease his par