ALEXANDRIA — Did you know that deer with Chronic Wasting Disease get very skinny, act weird, drool a lot, become weak and then eventually die? That’s what Grayson Hilbrand said during his presentation at the Knowledge to Action Expo on Thursday, May 21. Hilbrand, a 7th grade student at Discovery Middle School, was one of several students who gave presentations at the expo. Many other students did their presentations on Friday, May 22. The studen…