While Herman Cain's viral Web ad — in which chief of staff Mark Block pointedly takes a drag from a cigarette after extolling the presidential candidate's virtues — might have raised eyebrows among political strategists and heckles in Internet comment sections, the ad seems to have also raised the rate at which the insurgent campaign is bringing in fundraising dollars. Cain has brought in nearly $2 million within the last week alone, nearly doubling his weekly returns earlier this month, his campaign told The Wall Street Journal. By contrast, Cain only brought in $2.8 million over the entire third quarter....