bk - Yes, they passed a law here in NYC regarding the posting of calorie counts on fast food menus that went into effect a few months ago. -Well, it's not just restricted to fast food restaurants; it's related to the number of locations they have. *Going to Starbucks has certainly been an eye-opener lately. In any case...
Just go to any restaurant's website, and you should be able to pull up a nutritional chart. Pizza Hut has a good one - even if it is a little but fussy.
*And, yes, you can eat pizza and still lose weight. You can eat any food and still lose weight. It's just a matter of how much of each food you eat.