 There's definitely a big sigh of relief, a big deep breath, seconds before that first shell launches, and then just, okay, we're in, we're rolling. Now let's focus on the task at hand and make sure we're having a perfect show. On the National Mall, Nick Ainelli, WTOP News. With all the holiday celebrations, police and others who look out for driver safety have some reminders for you as you move around. WTOP's John Dolman tells us about that.