Why was he not charged? Must be that rich thing getting in the way of justice.
Treason was o.k. during the Vietnam era, because everyone doing it was sincere in their disagreement with the war.
Nixon was extremely worried about making him a martyr. There is evidence that the Watergate breakin was to tie the DNC to VVaw which was tied to violent and seditious acts. With the right kind of evidence, Nixon could have allowed the prosecution of Kerry, DNC officals and violent communists without tainting himself. The break in, Hillary Clinton and Dan Rather got in the way.