By&nbsp;Shelly Najjar Yesterday (Monday, June 27, 2011), Green Lake residents celebrated National Dairy Month at the Green Lake location of Irwin&rsquo;s Neighborhood Bakery and Caf&eacute; (301 NE 65th St). People who visited Irwin&rsquo;s from 2 p.m. to 3 p.m. received their choice of free milk, any-sized lattes, and chocolate chip cookies. Participants loved the fun neighborhood atmosphere of the event, and some posed with milk moustaches in celebration: &amp;#160; National Dairy Month has been in existence since 1937 (it was first called National Milk Month), and was created to promote consumption of surplus milk. Today, people celebrate it with a...