I've been thinking about this, and one potential butterfly could be substantially less distrust of the federal government in American society. OTL, the twin blows of Vietnam and Watergate made Americans distrust their government greatly. TTL, Watergate hasn't happened, so we will probably see government as more of a positive influence, and less as the Big Bad Government coming to Take Your Rights and Money. This would probably lead to a more generally liberal population than OTL. How realistic is this?