Years ago I worked on the campaign of a veteran Wisconsin state legislator who was quite comfortably ahead in the polls. Being myself a campaign veteran, but one not yet beholden to cherished notions of proper campaign strategy, I posed a question at the planning table.
We were, I noted, about to conduct the usual get-out-the-vote approach that targeted frequent voters. Get the polling lists from recent past elections, examine who came out always or most frequently, and concentrate your attentions upon those members of the electorate.
But, I said, most campaigns now do that only because it's cost-effective and funds are often precious. With a big lead, I suggested, perhaps we should take advantage of an opportunity to BUILD rather than DILUTE the base.
After all, if you keep going ever more intensely after fewer and fewer voters, you are also increasing the proportion of voters -- infrequent or merely potential -- who are left untouched and thus more likely to drop away, unappreciated and taken for granted.