 We're in the middle of another heat wave, and the summer isn't two weeks old yet. Is there end in sight? Delaware Public Media's Joe Irizarry has more. Temperatures are expected to be in the low to mid-90s through most of this week, then fall below 90 by the end of the week into the weekend. But National Weather Service lead meteorologist Paul Fitzsimmons says it's not all good news when that happens. And then as we get towards the end of the week...