Hope you've hit the midpoint of the week in fine shape, Portland. Here's today's Five Things to push you over that proverbial hump. Fiber diet The Google Fiber dream appears to be over. As the PBJ's Malia Spencer reports, a senior vice president outlined changes in the business that include a halt on work for “potential fiber cities.” Portland was on the list of potential Google Fiber cities since February 2014. Indeed, city officials spent a ton of time on the effort. Lots of questions Sen.…