Monday, March 14, 2011 
<A target="_blank" href="http://www.cnn.com/2011/TECH/innovation/03/14/pi.tau.math/index.html?eref=rss_tech&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_tech+%28RSS%3A+Technology%29">Pi Day, March 14, can also be seen as Half Tau Day, June 28,</A> which leads to a problem with the revelry. In the meantime, Happy Pi Day.
