Spending in the race for North Carolina’s U.S. Senate seat

With the North Carolina primary over and done, get ready for the campaign leading to November. Get ready for a blizzard of advertising, particularly in the race for U.S. Senate. It is likely to be the most expensive Senate race in the country, with about half a billion dollars expected to be spent. In a world where people are entrenched in their ideologies, how do you convincingly use that money?