If you’re more into firing up grills than firing off weapons — hippie! — it’s time to matriculate at BBQ U. Headmaster and grillmaster Steven Raichlin — you may recognize him from PBS’s Primal Grill and Barbecue University, and his nearly 30 books on grilling — schools every class in accordance with his three-part philosophy on grilling: Flavor, Fun, and Flash. The U. is held at the historic Broadmoor Resort in Colorado Springs, so attendees can enjoy golf, hiking and fishing whenever they’re not “slaving” over a hot