NBC's Brian Williams shows you how to keep cool

There are two types of people: Those who freak out at the sound of an office fire alarm and those who ignore it for as long as possible. Some sort of middle ground would make the most sense, but what happens if you're anchoring the NBC Nightly News - and a few million viewers watching your every move. Brian Williams shows how it's done (he re-did the segment for West Coast viewers). h/t Deadline