The holidays: Twinkling lights, family dinners and packed travel plans. Plus, a surge of allergy and asthma triggers that can turn the season stressful for some folks. But with a little planning, people can enjoy the celebrations without spending them sniffing, itchy or reaching for tissues. "The holidays are a wonderful time to reconnect with loved ones, but they can also bring unexpected exposures that worsen allergies or asthma," Dr. Cherie Zachary, president of the American College of