A heat wave is coming to Seattle. The hottest day should be Thursday, which is also the day of maximum Blue Angels traffic impact. We'll talk Seafair and heat this hour. Also, is it OK to buy Seahawks tickets even knowing how dangerous football is for players' brains? And we hear about a roadtrip to leave the Seattle bubble and explore the rest of the state. We are joined this hour by Crosscut columnist Knute Berger to talk over the news.