There has been some controversy over the authenticity of Obama's birth certificate and his Constitutional eligibility to hold the office of President<ref>[http://campaignspot.nationalreview.com/post/?q=ZTgxZmIwNTg0OWVhMWJkODNmZjI4ZjY4Mjg2OWRmNzI= http://campaignspot.nationalreview.com/post/?q=ZTgxZmIwNTg0OWVhMWJkODNmZjI4ZjY4Mjg2OWRmNzI=]</ref>. After initially refusing to produce a birth certificate in response to such rumours, the Obama campaign eventually endorsed a document posted on the Daily Kos as | There has been some controversy over the authenticity of Obama's birth certificate and his Constitutional eligibility to hold the office of President<ref>[http://campaignspot.nationalreview.com/post/?q=ZTgxZmIwNTg0OWVhMWJkODNmZjI4ZjY4Mjg2OWRmNzI= http://campaignspot.nationalreview.com/post/?q=ZTgxZmIwNTg0OWVhMWJkODNmZjI4ZjY4Mjg2OWRmNzI=]</ref>. After initially refusing to produce a birth certificate in response to such rumours, the Obama campaign eventually endorsed a document posted on the Daily Kos as |