Simply put, today is a good day to be a sports fan in Washington. Not only do we have the Nats home opener (more on that later) but last night the Wizards clinched their first playoff appearance since 1997 with a 93-82 win over the visiting Chicago Bulls. At long last the franchise has erased the failures of players like Mitch Richmond, Jerry Stackhouse and Michael Jordan, each of whom failed to lead the…