Heny Rosenboom on territorial copyright (aka parallel importation)

This is worth a read. Henry is as lucid and as expressive as he always is.

And for those us like me who were no chop as mathematicians as school here's an explanation of the phrase "to square the circle":

"(Math.) to determine the exact contents of a circle in square measure. The solution is now generally admitted  to be impossible." Sir W. Scott. 

And here's a link for further elucidation.