The latest wave of healthy school food rules came down last July. They regulate what can be sold in vending machines and for school fundraisers. Critics complain that they are way too strict and in fact more than 20 states are seeking exemptions from them. So how bad are they? WBEZ’s Monica Eng took a look found some surprising foods sold under the smart snack banner and she shares details on that.(Flickr/the 3786 cups of water)