Speculates that "Track and field is relatively unpopular in the U.S., maybe because its feats are measured in a way that is meaningless to most Americans."
http://www.npr.org/2012/08/12/158658876/hard-lessons-at-the-olympics-like-th e-metric-system?ft=1 <http://www.npr.org/2012/08/12/158658876/hard-lessons-at-the-olympics-like-t he-metric-system?ft=1&f=1001> &f=1001
