Sonic Adds Green Mountain Coffee to All-Day Breakfast

Image Caption: Image Credit: Sonic adds Green Mountain Coffee to all-day breakfast.Exclusive Brief: 0Sonic Drive-In, the nation’s largest chain of drive-in restaurants, is raising the bar for breakfast quality by announcing a partnership with Keurig Green Mountain Inc., a personal beverage system company, to offer hot, fresh Green Mountain Coffee. The addition of Green Mountain Coffee to Sonic’s popular breakfast lineup represents Sonic’s latest step towards crea