SPRINGFIELD, Mo. (AP) - For the past year, many of the nation's chain restaurants have trumpeted their efforts to give consumers helpful details about the food they serve - from calories to carbs. An unscientific spot check of some of the most popular suggests they do indeed offer a lot of information - from Ruby Tuesday's 1,164-calorie Cuban panini to Subway's 210-calorie Ham Deli sandwich. The push to tell what those menu items will cost your waistline might be more than just helpfulness. The Food and Drug Administration and members of Congress have been considering whether to require such information...