Yes, Valerie Adams has competed at three Commonwealth Games: 2002 (won silver), 2006 (won gold) and 2010 (won gold).
With current form, she should easily win a fourth consecutive medal at Glasgow 2014.
*As of August 17th, 2012
Valerie Adams won the Shot Put at the 2014 Commonwealth Games.
Valerie Adams (nee Vili) has competed at four Commonwealth Games from 2002 to 2014. She has won a medal at all four Commonwealth Games in the Shot Put: 2002 (silver), 2006 (gold), 2010 (gold) and 2014 (gold).
Valerie won the Gold Medal in Shot Put at the 2014 Comonwealth Games.
The Countries that are members of the Commonwealth of Nations can compete in the Commonwealth Games.
Dylan Armstrong (Men's) and Valerie Adams (Women's) won the Shot Put Gold Medals at the 2010 Commonwealth Games.
The USA does not compete at the Commonwealth Games because they are not part of the British Commonwealth.
No, only countries part of the British Commonwealth can participate in the Commonwealth Games.
A country can compete in the Commonwealth Games if it is a member of the Commonwealth of Nations and thus of the Commonwealth Games Federation. A few members were never part of the British Empire.
Some famous athletes that participated at the 2014 Commonwealth Games included Usain Bolt, Valerie Adams, Bradley Wiggins, Sally Pearson and Shelly-Ann Fraser-Pryce.
No, Italy does not play in the Commonwealth Games because they are not a member of the Commonwealth.
The defending champions for the Shot Put at the Commonwealth Games are O'Dayne Richards (Jamaica, Men's) and Valerie Adams (New Zealand, Women's). The duo won the Championships at the 2014 Commonwealth Games held in Glasgow, Scotland.
No, Turkey has never participated in the Commonwealth Games.