Leonard Pitts: Why is it always sex?

Certainly, if it’s moral failures you’re after, you can take your pick.Just last weekend, after all, Republican senators finally admitted that Donald Trump is guilty of the offenses for which he was impeached. They conceded this as they prepared to acquit him. Sen. Lamar Alexander assured us the president learned his lesson and won’t do it again. This, even though he once obstructed justice while being accused of obstructing justice.Meantime Trump, who has made black athletes&r