From Dunkin’ coffee to SunnyD and AriZona Iced Tea, the food and beverage industry seems to have one big idea: adding alcohol. The new line of coffees and teas from Dunkin’ Donuts comes with a little something extra. Namely a bit of hooch. This week, Dunkin’ announced a partnership with Boston-based Harpoon Brewery to launch a line of canned spiked coffees and iced teas.