Didn't get a refund this year? Didn't get your refund check yet? Haven't even started your taxes? Whatever your situation, Dunkin' Donuts is here to help. Run on over to any Dunkin' location for a free donut with the purchase of any size hot coffee, all in honor of tax day. Whether it's a reward for finishing or fuel for wrangling with forms, a free donut is a free donut. Except not quite--the fine print......