As the Blackhawks tank winds down, the rebuild — and optimism — can finally begin

CHICAGO — You don’t have to reach all the way back to the mid-2000s for the last time the Blackhawks turned the keys over to the kids. It was just two years ago (man, it feels like two decades, doesn’t it?) With no ticket sales because of the pandemic, no Jonathan Toews because of his health, and no chance at…