Political pundits will tell you that 80% of campaign spending is wasted, but you never know in advance which 80% it will be.

Campaigns still do it all, from yard signs to TV advertising, online videos to constituency outreach. But can they do a better job at creating focus? Turns out, they must, especially when it comes to gaining the support of women. After all, since 1980 the number of women voting has consistently exceeded the number of men voting. ...