FDA head says menu labeling 'thorny' issue<p>Diners will have to wait a little longer to find calorie counts on most restaurant chain menus, in supermarkets and on vending machines</p><img src="http://feeds.feedburner.com/~r/foxnews/health/~4/u1vqpuyH2ZQ" height="1" width="1"/>
Source: FDA head says menu labeling 'thorny' issue (http://feeds.foxnews.com/~r/foxnews/health/~3/u1vqpuyH2ZQ/)