We're down to the final week of campaigning in Iowa. You can't turn on the television without seeing one of the Republican presidential hopefuls. Even if you turn off the TV, there's a good chance one of the candidates will be at a coffee, or town hall near you. $10 million has been spent this month alone in Iowa, where the race is still up for grabs. Ron Brownstein is Political Director of Atlantic Media.
Websites of Republican presidential candidates: