Both Obama and McCain have their Supporters and Detractors regarding "Natural Born" status.
Without taking any position; Here is some cogent discussion scholarly written on the topics.
- MCCAINS_CITIZENSHIP_AND_CONSTITUTIONAL_MEDTHOD_SPIRO.pdf
- MICHIGAN_LAW_REVIEW_FIRST_IMPRESSIONS_VOL_107_1.pdf
- ORIGINALISM_AND_THE_NATURAL_BORN_CITIZEN_CLAUSE_Lawrence_B_Solum.pdf
- THE_JUSTICIABILITY_OF_ELIGIBILITY_MAY_COURTS_DECIDE_WHO_CAN_BE_PRESIDENT_by_Daniel_P_Tokaji.pdf
- WHY_JOHN_MCCAIN_WAS_A_CITIZEN_AT_BIRTH_by_Stephen_E_Sachs.pdf
- WHY_SENATOR_JOHN_MCCAIN_CANNOT_BE_PRESIDENT_Chin.pdf
- THIS IS QUITE GOOD Legislation Introduced to Remove McCain’s Panama Problem in Seeking Presidency
- OBAMA'S FRIENDS