It’s that time of year again when United Way challenges the local community to help the nonprofit organization stuff a bus with thousands of backpacks. This is the 13th year United Way hosts the Stuff-A-Bus event, which is planned from 9 a.m.-3 p.m. today and Saturday at Walgreens, 1401 N. Turner Street. “We’d like to fill 2,000 backpacks,” said Janelle Blain, …