Contact: Amy Engler Booth, 581-2009; George Manlove, 581-3756ORONO – The 9th Annual Hearing Expo at the University of Maine May 2 offers adults free hearing screenings, all the bells, whistles and advancements in “assisted listening devices” and other hearing aid technology, and an opportunity to have hearing aids checked and cleaned at no cost.Among the read more Hearing Expo at UMaine May 2