It’s autumn, everyone. Can you feel it in the air? …that utter conviction that This Is The Dallas Stars’ Year, This Time For Real? Wes and Mark are here to stoke that fire. The 300th episode of Stargazing — and our umpty-umpth Brightside Cast — is dedicated to that unquenchable spirit of optimism. And here’s the thing: There’s evidence to back it up. Join us for a discussion of the new roster…