March 19, 2013 update: Brad Klein of GolfWeek reports that work begins today on the Olympic golf course in Rio de Janeiro:
http://golfweek.com/news/2013/mar/19/work-finally-starts-rio-2016-course/
The architect is Gil Hanse of Malvern. Gil has done work at Cobb’s Creek over the years, in particular rebuilding the 4th green.