This summer, while most kids are glued to screens or at the beach, 10-year-old Jonah and his 9-year-old brother Eli have been out on the streets of Millisle with sponges, soapy water and rubber gloves. Their mission is simple: clean 50 street signs before the new school term begins. So far they’ve polished 36 of them, scrubbing away years of dirt and grime so the names are clear and readable again.It started with a casual observation. Driving home one day, the boys noticed ho