ST. PAUL, Minn. (AP) -- John McCain's campaign says Barack Obama's campaign has been spreading "smears" about Alaska Governor Sarah Palin's past political affiliations.
However, some of Palin's previous political activities are a matter of dispute.
At issue are claims by members of the Alaskan Independence Party that Palin was once associated with it. The party wants to place all federal lands in Alaska under state control.
The McCain campaign released voter registration documents dating to 1990 in which Palin lists herself as a Republican. A campaign spokesman says Palin has never been a member of the Alaskan Independence Party.
Obama advisers and surrogates have also linked Palin to conservative former presidential candidate Pat Buchanan.
The McCain campaign says Palin supported Steve Forbes' campaign at the time.
While Obama advisers and surrogates have drawn attention to Palin's political associations, the campaign has strictly avoided any comment on issues related to Palin's family, specifically her 17-year-old daughter's pregnancy.
(Copyright 2008 by The Associated Press. All Rights Reserved.)