Need a sugar rush heading into the weekend? You're in luck -- today, June 5, is National Donut Day, and a few shops around the city are celebrating with some sweet donut deals: 
Dunkin' Donuts: get a free donut with the purchase of a beverage all day. Click here for locations.
The Donut Pub: buy a dozen donuts, get one free (including munchkins). 203 W. 14th St., 212-929-0126
Krispy Kreme: get one free donut per customer - no strings attached! Try the Penn Station location in midtown: 2 Penn Plz., 212-947-7175
