14 JANUARY 2013
Ross Garnaut says his Papua New Guinea travel ban has been a "low point" in Australian diplomacy.
Professor Garnaut resigned as chairman of Ok Tedi Mining Ltd last week after being banned from PNG by Prime Minister Peter O'Neill.
Read more here: http://news.ninemsn.com.au/national/2013/01/14/20/01/png-travel-ban-low-point-garnaut