Netflix’s workplace sitcom struggles for laughs at the last Blockbuster video store on Earth Four years ago, a Blockbuster video rental store in the town of Bend, Oregon, became the last one still in business. That’s the surfacelevel inspiration for the new Netflix sitcom called, simply enough, “Blockbuster,” starring Randall Park and Melissa Fumero. The show is created by Vanessa Ramos and the…