As Serena Williams' her playing career ended Friday night, there's a good case to be made that she is the greatest female player of all time. Even so, facts still matter. And in extolling Serena, CNN got one fact glaringly wrong. Co-host John Berman brought on CNN sports correspondent Carolyn Manno, who claimed: "What Brianna [Keilar] said at the top, the longevity piece, is so important. Because she is in the pantheon of all-time greats. But she has outlasted Michael Jordan and Tom Brady."Serena has outlasted Tom Brady?? Serena is retiring at age 40. Tom Brady is 45, and is...