Join your Engineers Without Borders CU Chapter for a tasty fundraiser at Rueben's Burger Bistro on Tuesday, Oct. 22, from 4-10 p.m. HOW IT WORKS: When you purchase your meal, simply drop your receipt in the GroupRaise.com donation box at the restaurant, and 25 percent of your meal will be donated back to EWB-CU Chapter. WHERE: 1800 Broadway, Boulder WHEN: Tuesday, Oct. 22, 4 - 10 p.m. Rueben's Burger Bistro http://ruebensburgerbistro.com/