And, BTW, I don't think anyone keeps records of who people voted for from election to election. So I don't see how you feel you can state that it's a fact that those who voted for Wallace later voted for Nixon, Ford, and Reagan.
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You don't need to have names for this. No doubt there were a few that voted for McGovern that voted for Reagan, or a few that voted for Wallace that voted for Carter or Anderson. But when you are talking about elections, you are talking about groupos of voters, not individuals.
If in the 22nd precinct of Montgomery. 72% of the people voted for Wallace in 1968, and 73% voted for Reagan, that is a pretty good indicator than most of those who voted for Wallace voted for Reagan. If you add to this the nightly interviews of voters after the elections, it becomes even more obvious.
A pretty large majority of the voters in my 103rd precinct voted for John Kerry. It is known what percentage are White Anglo American, Black American, Cuban, other Latino and Haitian. From these figures one can predict pretty closely how the 2008 election is likely to go.
Read the Amanac of American Politics if you want a good, unbiased opinion of every state and Congressional district in the nation. It is superb in its detail and in its summaries of how people voted, how they are likely to vote, and why. It is rather expensive, but it is excellent, and no serious political junkie should be without it. I am not a ploitical junkie, which is why I don't have an up to date issue.
It would matter not one whit whether I produced information on this, as it would never convince Richpo or you. I might as well ask the Biblical rhetorical question "Why should I bother to put pearls before swine?"