Ass.
To all of the folks who think that jogging with headphones is a good idea, may I suggest you try the lovely Katy Trail in Dallas. No cars to worry about - just bicycles.
http://www.dallasnews.com/news/community-news/dallas/headlines/20101003-Dallas-jogger-hit-by-bicycle-on-603.ece
Or perhaps a jog on the beach with your ipod might be just the thing.
http://www.examiner.com/article/freak-plane-crash-kills-jogger
I don’t really recommend that you do it along train tracks, however.
http://hudsonvalley.news12.com/news/30-year-old-jogger-wearing-headphones-struck-killed-by-train-in-west-haverstraw-1.5486017
http://www.theage.com.au/victoria/jogger-killed-by-train-was-wearing-earphones-20120427-1xooh.html
http://www.news.com.au/national/death-on-pakenham-line-disrupts-services/story-e6frfkvr-1226340729730
http://www.cbc.ca/news/canada/british-columbia/female-jogger-killed-by-amtrak-train-near-white-rock-1.1313858
And if jogging with buses, you might want to leave off the sunglasses, as well.
http://www.stuff.co.nz/dominion-post/news/wellington/8523528/Jogger-wearing-earphones-dark-glasses-when-killed
And stay away from trees
http://www.dailymail.co.uk/sciencetech/article-467916/Jogger-burned-iPod-earphones-hit-lightning-strike.html