A total eclipse of the heart s. that like when your lungs go over? what is that exactly? i have long wondered that question. i ve wondered what a total eclipse of the heart is. we may never get the answer. that song never more fitting than it is now. we re hours away from the total eclipse of the sun. the sun will disappear for a short time all across america today. the last time there was a total eclipse of the sun cross the united states, 99 years ago. people from tennessee to oregon will be in the path of totality, as they re calling it. miguel marquez is in salem gearing up for this once-in-a-lifetime event. reporter: it is countdown to total totality, totality is that shadow of the moon, about 70 miles wide. it will race across the u.s. 12 states in all will see the eclipse. the total eclipse. you cannot stare at the sun directly, of course, unless you have solar filters on your