Shortz on Sudoku

A Rush of Excitement, From Filling in Empty Spaces to Completing a Large Loop
By WILL SHORTZ
Published: March 21, 2007
http://www.nytimes.com/2007/03/21/business/21puzzle.html

(Full reprint below, left click to enlarge.)

After Sudoku, What’s Next?
By Martin Fickler, 3/21/07
http://www.nytimes.com/2007/03/21/business/worldbusiness/21sudoku.html