Complex sentence: He has stated that he voted for Al Gore in 2000 and Ross Perot in 1996 and 1992; he has stated that he admired Democrat John Edwards during the 2004 Democratic primary but did not claim to have voted for him in that primary.
Split into simpler sentences: He has stated that he voted for Al Gore in 2000 and Ross Perot in 1992 and 1996. In 2004 he claimed to have supported Democrat John Edwards in the Democratic primary, but did not claim to have voted for him in that primary.